General description Makita P-37144 Sanding Belts are designed for medium power belt sanders, specifically compatible with the 9911 model. This pack includes 5 sanding belts, each featuring Aluminium Oxide grit bonded to a durable cloth backing, making them ideal for various sanding tasks. Technical specifications Grit: 150 (Medium) Dimensions: 76 x 457 mm Material: Aluminium Oxide Compatibility and accessories Compatible with: Makita 9911, Skil, B&D Usage The grit you choose depends on the specific 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