4” XPEED 3-Step Wet/Dry Diamond Polishing Pads for Quartz Granite Marble Stone and other similar materials. Includes step 1 pad, step 2 pad and step 3 pad (3 pieces). Each polishing pad is made out of heavy duty resin with high diamond concentration making it last up to 33% more! Max RPM of 4000. Excellent for polishing granite, marble, quartz, stone, travertine and other similar materials. Perfect flexibility on each 4 inch polishing pad. Why use 7 steps when you can save both time and cost with the same made into 3 pieces. Visit our store for other stone tools & diamond tools. Thank you - Global Diamond Pros.