• Mitutoyo Combination Square Set for various measuring and marking applications.• MIT 180907 - Square head, Centre Head, Reversible Protractor head & 12" blade.• MIT 180102 - Hardened and precision ground• MIT 180202 - Case hardened & ground• MIT 180301 - Graduated to read 0-180 degrees in both directions. Fitted with spirit level.• MIT 180503 - Blade Hardened stainles steel and chrome plated.• MIT 180603 - 24" Blade