Concrete polishing pad Engineer stone pad Sunny pad Glass polishing pad Metal bond pad     Home > company>Metal bond pad       * large image These pad are of metal powders mixed with resin,more aggressive and lasting longer than traditional resin pad.   Specification Model No Size Thickness Grit MP3 75mm 3mm 16/20/30/50/100/200 MP4 100mm 3mm 16/20/30/50/100/200 MP5 125mm 3mm 16/20/30/50/100/200