Diamond grinding block 1,long working life 2,energy saving 3,environment protection Diamond fickert There are two kinds of diamond fickerts: metal-bond diamond fickert and ... resin-bond diamond fickert.Metal-bond diamond fickert is used for rough ... #,240#,320#,400#,600#,800#,1000#,1200#,1500#,1800#,2500# Diamond grinding block