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Model #K4MS

Store SKU #1001213548

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  • Dust collection shroud for easy cleanup
  • Material support stop to consistently repeat hole spacings
  • Hardened steel drill guides with a lifetime warranty
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Product Overview

Ideal for any woodworking enthusiast, the Kreg Joinery Jig Master System offers a variety of user-friendly features. It has a solid clamp, large clamping recess, dust collection attachment, material support stop, removable 3-hole drill guide, and seemingly endless adjustability. The hardened steel drill guides are backed by a lifetime warranty.
  • Removable drill guide for use with bench top and portable bases
  • Bench top base with front-side clamp
  • 1/8 in. incremental settings for materials from 1/2 to 1-1/2 in. thick
  • 3-drill guide fixed spacing on the drill guide
  • Dust collection shroud for facilitating easy cleaning
  • Material support stop to consistently repeat hole spacings
  • Hardened steel drill guides with a lifetime manufacturer warranty
  • California residents



Maximum stock size (in.).5Minimum stock size (in.)1.5
Product Length (in.)4Product Width (in.)12.25


Individual/SetIndividualJig StyleDrill
MaterialNylonNumber of Pieces1
Power Tool Accessory TypeJigReturnable90-Day
Tools Product TypeHand Tool

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Customer Reviews

  • 4.8
    out of 266 reviews
  • 96%recommend this product
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Showing 1-10 of 266 reviews
Totally met my expectations
My first project went very smooth. Learning how to use the Pocket Hole gig was very easy, especially after watching several video's. I am very proud of how this project looks upon completion. My Miter saw workbench, 7' X 2 1/2' . Would recommend this gig to anyone. Jerry Phillips
    Built new plant stand
    Bought the master kreg jig for my wife for Xmas. We’re in the process of building a new plant stand. Improved the ease of assembly and strength of the stand.
      So happy I decided to get a Kreg Jig
      The Kreg Jig was easy to use and so helpful with my project. I had never used one before, but, after watching a couple YouTube videos, I felt confident to put this jig to use. Good purchase with a few start up essentials. A couple pieces I have yet to use.
      • Verified Purchase
      • Recommended
      I am a novice at woodworking and this product was an ease to use. I bought it to build some shel...
      I am a novice at woodworking and this product was an ease to use. I bought it to build some shelves and a cornhole game set. Both projects went very well. The Kreg Jig system makes strong, professional joints that make you look like a pro. I had some experience using another pocket hole system and the Kreg Jig, was by far, superior. You can clamp this system to your work bench, place your board in the clamp and consistently drill your pocket holes. The Kreg Jig Master System is well worth the money, and I highly recommend.
        • Recommended
        for someone who has had no woodworking experience but has...
        for someone who has had no woodworking experience but has decided to give it a try this pocket hole jig is PERFECT. I am a total newbie and at age 65 decided to make a cabinet to put dog food in and I actually succeeded using this jig. I then went on to build a table which may have its flaws but overall it is a sturdy, nice looking, useful piece of furniture. If it were not for this jig I would not have even tried, I love it!
        • Verified Purchase
        1 found this review helpful
        The Kreg Pocket Hole System is fantastic for quick, easy, and seamless joints. I've used this to...
        The Kreg Pocket Hole System is fantastic for quick, easy, and seamless joints. I've used this to make custom furniture and cabinets. The joints are strong and durable. My only concern is that over time the jig has developed a slight amount of flex when clamping. I'm not too worried about it but as I've used this jig over the last year I've noticed it. The material support and stop guide is convenient and helpful. Changing the depth for different material thicknesses is quick and easy. The drill bit broke after about a year of use but was easy to replace and the guide bearing works very well. I have not used the dust shroud yet. I've used this to make Maple and Red Oak cabinets along with the faceframes, a mahogany jewelry box, and lots of furniture.
        • Recommended
        5 found this review helpful
        Just bought this 2 weeks ago for some projects I wanted to make. I had plans for a bench that is made out of 2x4s and wanted a system to make the process easier. I would normally use lap joints or other methods of joining wood pieces together, but this takes a long time and has to be perfect. The bench only took me about 30 minutes to put together after cutting all the pieces to size. THIS HAS TO BE THE EASIEST WAY OF JOINING WOOD! Not to mention the joints being extremely strong, and add gorilla glue to make the joints even stronger. I also used the Kreg pocket-hole screws for the joints, which are basically cabinet screws. The Kreg screws are awesome, yet on the expensive side but well worth it. If you are looking for an easy way to join wood together this is it. You will not be disappointed at all. I have already recommended this to my friends who are into woodworking. If you are thinking of getting this product, get the kit that includes everything.
        • DIY
        • Recommended
        12 found this review helpful
        Great Product
        There are cheaper alternatives to this.. however the Kreg jigs are better made and there are reasons why professional cabinet makers use them. Yes I can do mortise and tenon and I also have a biscuit joiner but this works too.. The best use of this product in project of mine have been for making table tops, and courter tops. With this you can make wide table tops using edge glued boards.. and every board is clamped together. Unlike using a biscuit joiner since they are all clamped individually the top stays flat in spite of pressure. Using clamps result in the top curving without bars on top and bottom to prevent it curving. This can make tops so tight you have to look very hard to even see joints. I have built everything from cabinets to vanity's, to dining table tops that seat 12 people. Attached is an example of top of an end table hat I made. There are 8 separate boards in this top. Joints are very tight thanks to Kreg.. no clamps and all made from scrap wood. And that was just #2 construction lumber, not some fancy lumber. I could easily sell this table at a rustic furniture store for $200.. total cost to make $9. Someone showed a broken bit in a photo.. I have drilled thousands of holes and never had an issue with a bit. My biscuit joiner is collecting dust since I got this.
        • DIY
        • Recommended
        9 found this review helpful
        Jig master system
        the drill bit is not strong enough the tip broke off after a few uses. the should be making them with a stronger material, I now have to buy a couple just in case one breaks, I was left in the middle of my now incomplete project.
        • DIY
        • Verified Purchase
        • Recommended
        11 found this review helpful
        • Verified Purchase
        Showing 1-10 of 266 reviews