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Internet # 313833682

Model # K12065CRSEN

Store SKU # 1010882394

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Klein-Kurve Heavy-Duty Wire Stripper / Cutter / Crimper Multi Tool, 8-20 AWG

$39.97
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  • Wire Stripper for 8-18 AWG solid and 10-20 AWG stranded wire
  • Multi Tool crimps 10–20 AWG stranded wire
  • Electrician's Tool with screw shearing for 6-32 and 8-32 screws
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Product Details

About This Product

Klein's forged Wire Stripper / Cutter / Crimper Heavy-Duty Multi Tool is built with the durability of pliers, the sharpness and precision of a wire stripper and an integrated crimper. This American-made tool provides durable wire cutting, stripping, crimping and twisting plus bolt shearing in one tool. Four times (4X) stronger than traditional Klein wire strippers. This tool strips 8-18 AWG solid and 10-20 AWG stranded wire and crimps 10-20 AWG stranded. Easily twists three wires at a time.

Highlights

  • Wire Stripper with six stripping holes for 8-18 AWG solid and 10-20 AWG stranded wire
  • Multi Tool's side cut design features longer knives for more cutting
  • Crimps non-insulated connectors, lugs and terminals for 10-20 AWG stranded wire
  • Knurled jaw for twisting, grabbing and looping wire, twists up to three wires at a time
  • Made in USA
  • High leverage design for improved performance
  • Klein-Kurve comfort grip handles for reduced hand fatigue
  • Induction hardened cutting knives for long life
  • Hot-riveted joint ensures smooth action and no handle wobble
  • Forged of custom, US made steel
  • Click here for more Klein Tool products
  • Return Policy
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Product Information

Internet # 313833682

Model # K12065CRSEN

Store SKU # 1010882394

Additional Resources

Shop All Klein Tools

Specifications

Dimensions

Product Depth (in.)

0.5 in

Product Width (in.)

2.25 in

Details

Electrical Tools Features

Handheld, Hot Riveted Joint

Features

Comfort Grip

Hand Tool Type

Wire Stripper/Cutter

Handle Material

Comfort Grip

Individual/Set

Individual

Jaw Capacity (in.)

0

Jaw Tip Size (in.)

0.5 in

Joint Type

Fixed Joint

Number of Pieces

1

Plier Type

Electrician

Returnable

90-Day

Wire Stripper Type

Electrical

Warranty / Certifications

Manufacturer Warranty

Please refer to the attached warranty document in the Product Overview section above under Info & Guides

Questions & Answers

Are these insulated up to a point?
ByOct 13, 2022
4 Answers | 
Answer This Question

yes, but, I would recommend these when you don't turn off the electricity,Klein Tools 11054EINS

By|Jan 3, 2026

    (2)

    The model # K12065CRSEN Wire Strippers are not insulated

    By|Jan 3, 2026

      (2)

      You're probably okay with low voltage stuff but they have no insulated rating and are not intended to be used on live circuits.

      By|Jan 15, 2023

        (1)

        No they are not

        By|Jan 15, 2023

          (1)

          These don't have a spring return. Is that a problem? Similar Milwaukee model has a spring.
          ByMar 28, 2021
          5 Answers | 
          Answer This Question

          I own bought and you are correct about the Milwaukee model uses a spring to open. The nice feature about the Klein Tools Klein-Kurve Heavy-Duty Wire Stripper Crimper is the curved handle. They are both great tools from great brands. Ultimately, it’s your choice and you’ll be satisfied with either tool.

          By|Oct 12, 2025

          (1)

          Lack of a spring isn't a problem for me. MIght be nicer with one, but I like it without one. It does the job I want it to do.

          By|Jan 15, 2023

          (1)

          The Klein Tools model # K12065CRSEN features a crimper for non-insulated connectors, lugs, and terminals instead of a spring return. Please see Klein Tools model # K12035SEN for the version with a spring.

          By|Jan 20, 2024

            (5)

            I don't find a spring to matter much at all.

            By|Mar 29, 2021

            I have several different brands of strippers and some have spring returns and some don't. The ones that don't have a multi-function system. For instance, this pair are strippers out in front and a crimping spot behind the pivot. In order to have a return spring, you need a spot for it and that's not possible with the multi function design of this tool.

            By|Aug 6, 2021

            (1)

            Is this tool forged?
            ByFeb 18, 2021
            5 Answers | 
            Answer This Question

            I believe it is forged.

            By|Mar 29, 2021

            IDK or care. Just get them they are awesome.

            By|Mar 13, 2021

            The box joint is definitely forged and the die-knives are ground.

            By|Jul 8, 2021

              Yes, the Klein Tools model # K12065CRSEN Heavy-Duty Wire Stripper is forged.

              By|Apr 13, 2022

                (1)

                Klein says they are and they are tough.

                By|May 19, 2021


                  don't want to leave a knick in the wire cutter when cutting hard wire
                  ByJan 31, 2021
                  5 Answers | 
                  Answer This Question

                  Klein’s web site description = Klein's Wire Stripper / Cutter / Crimper Heavy-Duty Multi Tool is built with the durability of pliers, the sharpness and precision of a wire stripper and an integrated crimper. This American-made tool provides durable wire cutting, stripping, crimping and twisting plus bolt shearing in one tool. Four times (4X) stronger than traditional Klein wire strippers. This tool strips 8-18 AWG solid and 10-20 AWG stranded wire and crimps 10-20 AWG stranded. Easily twists three wires at a time. doesn’t really give a clear answer? Says “heavy duty” but don’t say cuts ASCR & screws etc... like other Heavy Duty Klein’s? If your looking to cut hard wire I’d go with the Klein Diagonal Cutting Pliers, Heavy-Duty Journeyman, 9-Inch J2000-59

                  By|Feb 25, 2023

                  (1)

                  The Wire Stripper Crimper is not a 2000 series tool and does not say ASR (annealed steel wire) in its packaging, copper, aluminium, and other soft metals only.

                  By|Sep 26, 2023

                    (1)

                    Yes, the Klein Tools model # K12065CRSEN Wire Strippers will cut hard wire without a problem.

                    By|Aug 13, 2026

                      (1)

                      If you have read the Product Overview for the Klein Tools Klein-Kurve Heavy-Duty Wire Stripper Crimper and are still undecided then contact Klien tools customer service.

                      By|Jul 13, 2021

                      I haven't cut anything but copper with these, but with their main purpose being for stripping wire, I would avoid cutting anything that wasn't a soft metal.

                      By|Feb 25, 2023

                      (1)

                      Viewing 1-4 of 4

                      Customer Reviews

                      4.5 out of 5

                      • 4.5 out of 313 reviews
                      • 86% recommend this product
                      Filter by:
                      Showing 1-10 of 313 reviews
                      Issues with quality
                      Handles come off. They only use a tiny bit of glue or epoxy that doesn’t stick. Mine came with bad burrs so they would stick in the closed position and wouldn’t strip properly. After using a file towards the back between the largest stripping hole and the side cutting part they sort of work and don’t stick as much. Still doesn’t work well for stranded wire, so the tolerances are not correct. The design is excellent but the quality is low
                      by
                        3 found this review helpful
                        Way too over priced
                        Poorly manufactured, 1 week old and the entire handle slipped off and 40 bucks dow the drain
                        by
                          1 found this review helpful
                          Poorly Made and Defective
                          Klein has serious manufacturing and quality control problems with its "heavy duty" combo stripper tools. I bought this to replace a horrible Klein K12035 (grossly misaligned jaws, pliers tips that are not even and do not close all the way, and cuts lots of strands when stripping). This tool did strip well. However, it was a complete fail because IT COULD NOT CUT bare stranded copper wire (like 18AWG). All it did was crimp the wire with a straight crease. It would not cut unless I wiggled the wire back and forth to break it. Klein itself has been inept, dysfunctional and slow to deal with. Klein customer service will delay and delay and waste your time. I'm really disappointed in the tool and with Klein.
                          by
                          • Verified Purchase
                          2 found this review helpful
                          Quality!!
                          [This review was collected as part of a promotion.] It’s almost too nice to use. It’s like it deserves to be in a picture frame or something lol . Never have I used a wire strippers That are this solid or smooth . Fits like glove ! I think would with stand very harsh conditions!! . seems like Klein own makes quality tools!! Love em
                          by
                            • Recommended
                            Must have multi tool
                            [This review was collected as part of a promotion.] Picked this up from Walters and gotta say these come in handy when your crimpers are missing. Or to pull or grab something when you can’t get to your linesmans. It doesn’t feel small and flimsy like any other wire strippers. You can immediately feel the durability. Every sparky needs one.
                            by
                              • Recommended
                              Better then Snap On!
                              I have used multiple strippers over the years and thought I got it right with Snap On. Man did I get it worng! They were snowing me down and the grips were sliding around. I also had to have linesman pliers to twist wires and side cutters to cut bigger cable. A friend of mine showed me the new ones he got, and my god did it ever make a difference! Instead of me having 3 tools in my pocket I only need one! By far the best tool I have in my bag!
                              by
                                All in one tool that really lightens the load
                                I have used this tool daily for about 1 month now. Our company does electrical and hvac install and troubleshooting. I head into the customers location carrying only my meter, my Klein 11 in 1 screwdriver, and this Klein Kurve heavy duty stripper. This tool has replaced my linesman pliers, my wire strippers, my crimpers, and my long nose pliers. Greatly reducing the weight of my service bag. Most importantly, it does the job of all those tools equally as well, if not better. A lot of tool manufacturers attempt to make a multifunction tool, but most are not very good at it. You're usually left with a lot of empty promises and a tool that rarely gets used. That is never the case with Klein. I love my Klein Kurve heavy duty strippers and crimper tool. It cuts heavy wire with ease, trims bolts like butter, makes perfect crimps, strips wire effortlessly, and has no problem reaching in the back of a furnace cabinet or junction box to grab a part that has fallen out of reach. Best of all, this one tool can also twist a bundle of wires and make a perfect pig tail. I highly recommend this tool!
                                by
                                  • Recommended
                                  3 found this review helpful
                                  BAS Controls Technician review
                                  Klein Tools has provided me with free product and additional incentives to provide an honest review of this product. Klein Tools Klein-Kurve Heavy-Duty Wire Stripper/Crimper (K12065CR) is a very sturdy wire stripper. It comes in a normal clamshell package that is very easy to open. On one side the stripping holes are labeled with a light grey print. The cutting blades and stripping holes are all on the front side of the stripper. I have found that it will strip most 18AWG stranded wires with very little effort, as long as you can find the right slot. The handle is very comfortable. I usually hold it with the curve side against my thumb. Unfortunately when I strip the wires I typically use (18AWG multi-conductor wire), I end up flipping the stripper over so I can’t see which hole I need to use since the back side isn’t marked. The other main drawback I have is that because it is designed as a heavy-duty stripper, it is very wide and hard to maneuver in the tight spaces I have to work in as a BAS controls technician. I would expect that in normal everyday usage, this is a hard set of strippers to beat! #kleintools #kleincrusaders
                                  by
                                    • Recommended
                                    Excellent tool for maintenance work
                                    So I have been using these for a couple of weeks now and I am ready to offer a review. These pliers are very useful. I work in systems and electrical maintenance so it is great to have multiple tools in one and these meet the mark. They are well made and strong I have tested every feature they offer and everything works well. The only thing that I can find that is a con is the stripper section is a bit thick and that makes it slightly more difficult to line up the right size. I find that to be a minor issue though and these have earned a permanent position in my tool pouch.
                                    by
                                      • Recommended
                                      Fire Alarm Tech
                                      I only use Klein strippers, and these kept the high standard Klein always delivers. The wire cutters/strippers were sharp just as any other Klein strippers or diagonal cutters. I would recommend these to anyone who works in the field of electricity, both high and low voltage.
                                      by
                                        • Recommended
                                        Showing 1-10 of 313 reviews

                                        Compare Key Features

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                                        Product Snapshot

                                        Built for pros, this heavy-duty multi-tool cuts, strips, crimps, and twists wires with ease. Ideal for electricians needing durable, all-in-one functionality.
                                        Ideal for electricians needing a versatile tool. Combines stripping, cutting, crimping, and thread reforming in one.
                                        Ideal for electricians needing a durable, ergonomic wire stripper/cutter with crimping and conduit reaming capabilities.
                                        Ideal for electricians needing a durable, spring-action coaxial cable stripper for RG-6 cables with easy 1-step stripping.

                                        Wire Gauge Capacity

                                        8-18 AWG solid and 10-20 AWG stranded
                                        8-22 AWG
                                        12/2, 14/2, 12 and 14 AWG

                                        Automatic Adjustment

                                        Stripping Capacity

                                        Additional Functions

                                        Precision