Check the listing for details. 3/16" Bevel Bullnose Diamond Profiler 6" Polishing Pad 8 Granite Concrete marble. Condition: New. Listed at 126.99 USD. Velcro Backer's max capacity is 5000RPM. Please don't use it with high speed grinder/polisher. E5 Router Bit is for 5mm (3/16") Thick or High stone concrete travertine. This package carries (a)-(b):Their arbor 5/8"-11 Female Thread.NOT M14 Thread. (a) 1 Piece of E5 (5mm / 3/16" Bevel / 45 Degree Shape Bullnose for 5mm / 3/16" thickness stone concrete) Router Bit/Profile (5/8"-11 female Thread arbor). (b) 8 Pieces of 6" / 150mm Diamond Polishing Pad for granite marble concrete:1 X Grit 50 100 200 400 800 1500 3000 6000. And 1 Piece of 6" Velcro Backer/Pad Holder (5/8"-11 female Thread arbor).VERY IMPORTANT REMIND: Velcro Backer's max capacity is 5000RPM. Please don't use it with high speed grinder/polisher. -ideal speed of grinder/polisher: 3500-4500 RPM. - please don't use with high speed grinder/polisher. -with water feed hole, can be wet use.