Vacuum brazed technology provides longer life and high working efficiency. Cut: Diamond bur with 1/2 " shank, stone bur. Application: for stone edge profiling / cutting, marble trim, ceramic sculpture, stone / pavers. Color: golden; Package contents: 1 x diamond bur. Size: 03 Features: Top quality product. Diamond bur with 1.27 cm shank, stone bur Vacuum brazed technology provides longer life and high working efficiency. Wet or dry use. Water or other coolants are recommended for longer life of the bit. Features: Size: diamond burs with 1.27 cm shank. Color: gold. Quantity: 1 piece. Application: for stone edge profiling / cutting, marble trim, ceramic sculpture, stone, pavers. Package contents: 1 diamond router bit.