Pick the custom amount and quantity, grit # you want for one low shipping cost for up to 42 pucks.~12 mm premium thick diamond floor polishing pads (pucks) for wet polishing of concrete, granite, marble, terrazzo, natural and artificial stones.  Last twice as long as most economy version of pucks.  Designed for wet polishing especially with multi-head machines. Select from grit #30, #50, #100, #200, #400, #800, #1500, and #3000 or buy from 7 to 48 pucks combination. Use "Note to Seller" when paying with PayPal to tell me how many of which grit # you want when buying in bulk.  Sold and shipped by Granite Polishing Pads.