... renovation pads,stone polishing pads.Different size and thickness available. Hard polishing pads,floor renovation ... pads.CommodityPolishing pads ( Velcro backed pads)ApplicationMarble, Granite, ConcreteGrit50#,100#,200#,400#,800#,1500#,3000#, ... maintaining,repairing and renewing granite, marble,concrete,etc. Different thickness and design available, after rough grinding and fine polishing ...