Woodworkers who want a big, heavy STANLEY jack plane with documented size and a strong rating.
Skip if
You are on a budget, since at $210.41 it is one of the most expensive planes in our rankings.
Material Ductile cast iron
Weight 6.03 Pounds
Dimensions 15.8"L x 6.7"W x 3"H
Priced 59% above the category median ($132.67 across 8 tracked models)
Our scorecard
4.5/5overall
Owner rating4.6/5
4.6 average across 458 owner ratings
Popularity4.4/5
458 owner reviews, more than most models here
The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other hand tools and workshop hand tools we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.
Overview
The STANLEY 12-137 is a sizable jack plane built from ductile cast iron, with a listed weight of 6.03 pounds and dimensions of 15.8 inches long by 6.7 inches wide by 3 inches high. That makes it the largest and one of the heaviest planes in this group.
It holds a 4.6 star average across 458 reviews, a strong score on a solid sample, and carries the STANLEY name. The price is steep at $210.41, near the top of our rankings.
No monthly buyer figure is reported. For buyers who want a large, heavy, well rated jack plane with documented dimensions and do not mind the cost, it is a serious contender.
Pros
Strong 4.6 star average across 458 reviews
Heavy 6.03 pound ductile cast iron build
Fully documented dimensions, 15.8 by 6.7 by 3 inches
Established STANLEY name
Cons
Premium $210.41 price
No monthly buyer data to confirm current demand
Specifications
Material
Ductile cast iron
Weight
6.03 Pounds
Dimensions
15.8"L x 6.7"W x 3"H
Performance notes
At 6.03 pounds and nearly 16 inches long, the 12-137 is a large jack plane with the mass to power through longer passes; ductile cast iron adds toughness over plain cast iron. The listing documents size and weight but not blade width.
What buyers say
458 reviews averaging 4.6 stars indicate consistently satisfied owners on a sample large enough to trust, helped by the STANLEY name.
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