HARDENED SETS include hardened Square Head, hardened Center Head, reversible Protractor Head and hardened chrome plated Blade. Blades are fully hardened and tempered. Reversible protractor heads for hardened squares. Double-indexed protractor is graduated 180° in both directions. Finished in baked enamel. Square Head has level and scriber point. Micro-fine blade graduation. Easy to read satin chrome finished blades. Sets with cast heads or with hardened heads.Picture Shown: 24" - 16R
