BOND TYPE - resin bond HOG HAIR - hog hair grinding and polishing pads designed for walk-behind power trowels GRIT SIZE - #3000 Grit WET ONLY - use with ride-on power trowels Hog hair grinding and polishing pads designed for walk-behind power trowels. Resin dot pads are first-step grinding tools to remove high-spots and excess material followed by resin bond pads.