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Quantity
1
Description
PEC Replacement Lock Bolt & Nut Assembly | For 4"–6" Combination Squares
Restore the precision of your favorite layout tool. This heavy-duty lock bolt and nut assembly is the exact replacement part needed to secure your square, protrac...
Reviews
5.0
4 ratings
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1
Perfect fit and my square is useable again. Great products.
D
David · June 5, 2026
Nice to be able to get a replacement part for my square. Works great!
B
Bob · February 13, 2026
I had broken the Lock Bolt on my 4 inch square. The one I ordered is a perfect fit. Chester