DescriptionThis is a set of 102 pieces drum sanding kit. This kit includes drum sanding bit and band mandrel 6.35mm, 9.5mm and 12.7mm , it will make your diy work smooth. Widely used in all kinds of mold, electronics, glass, medical equipment, jewelry, metals, non-metallic surface, high-grade furniture, appliance housings, automotive surface, motorcycles surface, etc.Features- Color: As shown. - Size:Length: 12.7mm;Diameter of shank: 6.35/9.5/12.7mm;Length of shank: 38mm. - Material: Silicon carbide abrasive+Gauze base. - The quality is reliable, adaptable work environment. - High quality, increase the grinding machine bit life. - Turn your or other rotary tool into versatile high-speed sander. - Perfect accessory to sand, shape, groove & finish & hard woods, fiberglass & more. - Commonly used in grinding Bodhi peeled, wood carving, grinding nuclear carving and plastic polish, metal polish rust, jade, DIY circuit board production.