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Curious Inventor - Store: 12" Combination Square
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in stock - price: $9.99
12" Combination Square
Square

short description:

One of the most essential shop tools, a combination square enables precise measurements from edges, drawing perpendicular lines from edges, and comes with a scribe stored in its body. Markings: 8ths, 16ths, 32nds, and mm.

more information and instructions:

The picture below shows the reverse side as well as the hardened scribe that is stored in the body. The blade is stainless steel and the body is machined cast zinc.