Reddit reviews TUFF BUFF - Wet/Dry Diamond Polishing Pads - 11 Piece Set with Rubber Backer for Granite, Stone, Concrete, Marble, Travertine, Terrazzo- 4" Inch Pads

4 inch Diamond Polishing Pads with Rubber Hook and Loop Backing Pad - Ideal for polishing Concrete, Granite, Marble, Stone, Travertine and TerrazzoThis set includes 11 Diamond Sanding Pads: 2 sets of Grit 50,150,300,500 pads and 1 set of Grit 1000,2000,3000 padsAlso included: 1 Velcro Rubber Backing Pad (5/8" hole x 11 thread) which allows for easy setup and removal. Rubber backer has water feed hole for wet polishingIncludes 2 sets of low grit pads for extended use as these tend to see more abuse than higher grit pads. MAXIMUM 4,500 RPM; DO NOT use with high speed grinderPads provide great results with dry use, but for ideal results, wet use is encouraged.