... concrete 2. Silver welded, Laser, Sintered 3.Sharpness, long lifespan Silent blade1. Silent blade forgranite, marble,limestone, concrete cutting2. Silver welded, Laser, Sintered3 ... :Silver welded for granite, marble etc with common or silent core. Narrow U slots and soft copper/cobalt/iron- ... .5×1510160Other specification is available as per customer requirements. Silent blade for granite