SURFACE WIZARD Sponge Polishing/Repair 4" Pads. Compare to Donkey or Monkey Pads by WEHA. Sponge holds water and greatly improves polishing performance. The best solution for repairing quartz surface scratches. Can be used on both flat surfaces and curved edges. Can be used for inline polishing with Auto Edge machines. Wet use ONLY. Material: Engineered Stone, Granite, Marble. Sponge Thickness: 11mm. RPM: 1200.