Light Duty | Cast iron body | Ground and Polished Anvil | Hardened steel jaw faces | Blue enamel finish | Mounting holes to fix on a work bench

Product Description: This 6 piece set Precision Machinist Ground Engineers Squares brings a high level of precision to every task. marking stock for careful joinery, checking tools for sharpening, verifying accurate assembly or making sure your table saw blade is set up perfectly. | Hardened spring steel blades are fixed to the stock with self-locking tapered rivets to insure permanent accuracy. These all-steel squares are precision ground and tempered as described above. The case is a softwood and plywood construction. These cases are durable and very stable and do not warp. | Features: Accurate to less than 0.001" deviation per inch over the entire length of the blade Made of Finest quality ground steel with heavy thick stock. Blade is hardened and Ground for straightness and Parallelism. Squares are accurate both inside and outside.