Manufactured from fine quality steel these blocks are fully hardened and ground and are manufactured in numbered pairs. Each pair of Vee Blocks comes complete with a pair of clamps. Block Length: 1-19/32 inch (40mm) Block Width: 1-1/4 inch (32mm) Block Height: 1-1/4 inch (32mm) Width of Small Vee: 7/16 inch (11mm) Width of Large Vee: 13/16 inch (20mm) Clamping Capacity: 1 inch (25mm)