This package is designed for fabricators, contractors or DIYers to start wet polishing granite or concrete with limited budget.This polishing package comes with:A newly improved Kawaii wet variable polisher WEP225, A Set of 4" JX Shine Wet Diamond Polishing Pads including 50 grit, 100, 200, 400, 800, 1500, 3000 grit and a black buff pad.A 4" Semi Rigid back holder. A free heavy duty water proof apron A free DVD on how to profile and polish granite edges. This package is ideal for polishing straight edges of granite, marble and also good for polishing concrete countertops. This package has one of the best values in our store.