General description These Makita 120 Grit Medium Sanding Belts are designed for use with medium power belt sanders, specifically compatible with models like the 9911 and Skil B&D. Each pack contains 5 belts made from Aluminium Oxide grit bonded to a durable cloth backing, making them ideal for various sanding tasks. Technical specifications Grit: 120 Size: 76mm x 457mm (3'' x 18'') Material: Aluminium Oxide Pack quantity: 5 belts Usage The grit you choose depends on the job at hand. Here’s a quick guide to help you select the appropriate grit for your application: 40-60: Coarse - Heavy sanding and stripping, roughing up the surface. 80-120: Medium - Smoothing of the surface, removing smaller imperfections and marks. 150-180: Fine - Final sanding pass before finishing the wood. 220-240: Very Fine - Sanding between coats of stain or sealer. 280-320: Extra Fine - Removing dust spots or marks between finish coats. 360-600: Super Fine - Fine sanding of the finish to remove some luster or