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This high quality toolmakers' square is not graduated and offers squareness accuracy to .0002" (0.005mm) for every 6" (150mm).
They feature hardened, ground and lapped stainless steel construction on both the blade and the beam. The beam is machined at the inner corner for clearance of burr or dirt.
Packed one in a plastic case. 12" square and set of 4 squares shipped in box with fitted foam insert. Wood cases as listed may be purchased separately.
3020 Toolmakers' Grade Stainless Steel Squares Size – Length of Blade* Length of Beam Squares Only Case Only Inch mm Inch mm Cat. No. EDP Cat. No. EDP 2-31/32" 75 3-31/32" 100 5-29/32" 150 12-1/32" 300
Complete Set of all 4 Squares * Length of blade from the inner edge of the beam to the end of the blade.
61 "RELIABLE" TRY SQUARE 6"/150MM
A very useful try square – attractively designed, light and convenient. The blade is hardened, not graduated, and is firmly held by a special bolt and nut permitting the tool to be readily taken apart, if desired, for regrinding the blade and stock.