4033-12-025 Flat Solid Machinist Square 10" x 6-1/2" (250 x mm) DIN 875/1 Square to w/in 0.0009” (Nine Ten-Thousandths of an Inch)$$Tools

Overall size is 10" tall x 6-1/2" wide (250 x 165 mm) and 0.280" thick Adheres to strict German DIN 875/1 accuracy standards- squareness guaranteed to 0.0009” over the entire length of the longest edge (that's just nine ten-thousandths of an inch!) Machined from a solid blank of tool steel and will never go out of square! Comes in triangular box Includes inspection certificate