... .For Semi-automatic polishing machines 4.Long Lifespan Name: Diamond Metal Bond /Diamond FickertDiamond Fickerts:are specially used for rough and fine grinding ... :140MML:170MM30#, 40#, 50#, 60#, 80#,120#, 170#, 280# Diamond Fickert(Resin Bond)L:140MML:170MM120#, 180#, 240#, 320#,400#,500#, 600#, 800 ...