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Model #12-139

Sweetheart No. 60 1/2, 6-1/2 in. Low Angle Block Plane

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  • Bevel Up Wood Plane
  • Replacement Blade 12-143
  • Ideal for shaping, flattening, or reducing thickness on lumber
  • View More Details
How to Get It

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Product Overview

This Sweetheart 6-1/2 in. Low Angle Block Plane is made from extra-thick 1/8 in. (3.18 mm) A2 steel for excellent edge retention. The base is precision-ground ductile cast iron with solid brass hardware for smooth adjustments. A norris-type adjuster includes a lateral locking feature, while the 12° low-angle bed is great for cutting end grain.
  • Iron crafted from extra-thick 1/8 in. (3.18 mm) A2 steel for superior edge retention
  • Precision-ground ductile cast iron base for accuracy
  • Norris-type adjuster with lateral locking feature
  • Solid brass hardware ensures smooth adjustments
  • 12° low-angle bed ideal for cutting end grain
  • Replacement blade 12-143
  • California residents

Additional Resources

From the Manufacturer

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Sweetheart No. 60 1/2, 6-1/2 in. Low Angle Block Plane
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BrandStanley Stanley
NameBailey No. 5, 14 in. Bench PlaneSweetheart No. 60 1/2, 6-1/2 in. Low Angle Block PlaneSweetheart No. 62, 14 in. Low Angle Jack Plane
Handle MaterialPlasticPlasticWood
Hand Plane TypeBench PlanesBench PlanesBench Planes
View ProductView ProductView Product



Base Length (in.)6.5Blade Length (in.)6.5
Blade Width (in.)1.625


FeaturesNo Additional FeaturesHand Plane TypeBench Planes
Hand Tool TypePlaneHandle MaterialPlastic
Individual/SetIndividualNumber of Pieces1
Product Weight (lb.)2.54Returnable90-Day
Tools Product TypeHand Tool

Warranty / Certifications

Manufacturer WarrantyLimited lifetime

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

  • 4.2
    out of 146 reviews
  • 72%recommend this product
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Showing 1-10 of 146 reviews
Great Solid Block Plane - Backup Solution for Brass Cap Screw
Great solid block plane with A2 steel blade. It is good you can still order replacement blades through other companies allowing you to have different bevels angles on each blade. It would be good if the replacement blades could be ordered directly from Home Depot for all Stanley blades they carry since this page shows the replacement blade part number. I spent about 45 minutes on the phone with Home Depot Customer Support trying to find companies that would supply replacement Stanley original blades. We found them due to Great Home Depot Customer Support but it would be good if you could just order replacement blades from this page. Some folks have commented that their brass cap screw broke and they can no longer use the plane. My solution was to get a 10-24 x 3/4" machine screw and #10 washer and use those to replace the brass screw. My brass screw is still fine but I thought I'd take some preemptive action using a steel screw instead. I do agree that the design of the brass cap screw could be done better (knurled part of the screw head could be larger making it easier to remove and the screw could be a bit longer), for now that is my only suggestion for improvement. I gave it an overall rating of good for the cap screw design but excellent for all other categories. See photo below.
    • Recommended
    1 found this review helpful
    Do Yourself A Favor
    As soon as you get it, throw it away. Very soon the threads in the aluminum cap will be gone, which is where this plane ought to be. With a poor design (who puts adjusting threads in aluminum?) and parts not available, it’s just an expensive paperweight. aluminum?) and no replacement available from Stanley
      Unlike the 9 1/2 this has an angle of 20 degrees in the bed of the blade this has an angle of 12 ...
      Unlike the 9 1/2 this has an angle of 20 degrees in the bed of the blade this has an angle of 12 degrees which makes it ideal for many applications. Understanding all the components of the tool is very important, it has a good setting and easy to configure, good construction, I love bronze nuts. To clarify the top of the adjustment above is not plastic, it is made of good construction aluminum. Thanks Stanley.
        • Recommended
        1 found this review helpful
        Bad Quality Control: First of all, I really like the features of this block plane. It's based on ...
        Bad Quality Control: First of all, I really like the features of this block plane. It's based on an old high quality design. Unfortunately the quality of the machining of the body of the plane is not good. Out of the box the plane blade was very sharp, back was flat, bevel was good, even a microbevel. I couldn't shave with it, but it was good for factory sharpening. I shot a few cuts and noted that all the material was coming from the left side of the blade, None from the right. I backed off the little set screw and moved the lateral adjuster over to the left. I got a bit more bite on the right middle but none of the right. I then moved the adjuster all the way over to the left. (Meaning the blade was way out on the right) It was still cutting just right of middle and to the left only. Depth adjustment only made the curls bigger. I took it apart and checked everything. Finally I took off the front adjustable bed plate and looked down into the frog area. With my "not great" old eyes, I could see that the frog area was not parallel to the bed. I measured it and it is 0.020" (20 thousands of a inch) off from one side to the other. I worked in the world of precision metal machining and 20 thousands is NOT precision. A half way good mill will easily get within 0.0005". So who ever set this body up for machining really screwed it up. Why didn't quality control catch this. Don't they even do a test run. (Obviously not). I had my hopes up that Stanley really could build a reasonable quality product, So I'm done with Stanley planes. See pic.
        Response from SBD_Product ExpertJun 19, 2019
        Hi Dave,
        Thank you for providing your feedback on our #12-139 Plane. I am sorry to hear of the issue you had with our product. We would be more than happy to assist you further with getting this resolved. If additional assistance is required, please contact us at wecare@sbdinc.com and reference case # 09816199.

        Thank you,
        STANLEY Customer Care
        • Pro
        4 found this review helpful
        Great and handy but...
        It was not easy to loose the cap screw and finally the screw was bended and damaged. The screw was made of copper and has only a few thread to support the force. It is too soft compared to the old version of planes. Now I do not know where to get an new screw to replace the damaged one.
          Block Plane I received was poorly finished at the throat opening. After flattening the blade, whi...
          Block Plane I received was poorly finished at the throat opening. After flattening the blade, which required very little work, I noticed there were gaps along the width of the blade where there is no blade contact at the throat opening causing chatter. Stanley's supposed fix was to send me a replacement blade. I refused. The unit will be returned for a refund. Another sad Stanley product story unfortunately
            5 found this review helpful
            • Verified Purchase
            The blade could not be lowered below the base. Perhaps it was shipped with the wrong blade. No response from Stanley. This seems to be a manufacturing issue based on other reviews.
            Response from ProductExpertJun 27, 2022
            Hello. We appreciate your feedback on the plane and are sorry to hear about the issue you are having with your product. This is not the kind of performance we expect from our products and would like to speak to you about this issue. Please email me at wecare@sbdinc.com and reference case #4792791. Thank you, Maria STANLEY Social Rep. StanleyTools
              • Verified Purchase
              • Verified Purchase
              Showing 1-10 of 146 reviews