5pcs T-shaped 10mm-40mm Diamond Hot Pressed Sintered Grinding Head 6mm Shank For Stone Carving Glass Ceramic Jade Agate Cutting 5pcs T-shaped 10mm-40mm Diamond Hot Pressed Sintered Grinding Head 6mm Shank For Stone Carving Glass Ceramic Jade Agate Cutting. Sale price : $6.47 Category : Tools