iGaging 4" & 6" Double Square Set 4R Steel Blade High Precision Woodworking

A professional-grade double square set containing two precision measuring squares: a 4-inch model with a 2.5-inch base and a 6-inch model with a 3.75-inch base. Both feature 4R hardened steel blades graduated in 8ths, 16ths, 32nds, and 64ths for fine measurement work. The heavy-duty satin chrome blades are precision ground and locked securely into the heads at any position. Each square meets strict US accuracy standards, rated at 0.0008 inches per inch. The 6-inch square includes a built-in bubble level. Both tools arrive in a storage case with foam inserts to protect your precision instruments.