Starrett® Center Head, For Use With: 12 in, 18 in, 24 in and 300 mm Combination Squares, Combination Sets and Bevel Protractors, Steel, Smooth Enamel, Black, 3-9/16 in L x 3-3/16 in W x 1-25/32 in H
- Forged and hardened steel with smooth black enamel finish