... , and new floor applying, etc.2. On floor surfaces covering concrete, epoxy, stone, marble, granite, terrazzo, etc.3. Under condition both ... pad, metal bond diamond pad, PCD blade, Frankfurt, sandpaper, etc. Product Features: 1. No. of polishing pads is 6pcs. 2. Furnished ... minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); JS-550 dual-head concrete floor polishing machine