Features 1、The main body is made of aluminum alloy material, with high strength, wear resistance and can provide long service time. 2、Adopts superior sandpaper, with fine grids, can provide high grinding efficiency. 3、Easy installation, tighten the screws to expand the rubber cylinder, then brace the sandsleeve, simple and convenient. 4、It can be installed on the power tools, for operating at very high RPM, suitable for most of the pneumatic, electric rotary grinder, electric grinder. 5、Wide applications, suitable for polishing and sanding olive nuclei, tooth carving, walnut, jade, wood carving and other objects. Specification The main body is made of aluminum alloy materal, with high strength, wear resistance and can provide long service time. Adopts superior sandpaper, with fine grids, can provide high grinding efficiency. It can be installed on the power tools for polishing, sanding and other objects. Features: The main body is made of aluminum alloy materal, with high strength, wear resistance and can provide long service time. Adopts superior sandpaper, with fine grids, can provide high grinding efficiency. Easy installation, tighten the screws to expand the rubber cylinder, then brace the sandsleeve, simple and convenient. It can be installed on the power tools, for operating at very high RPM, suitable for most of the pneumatic, electric rotary grinder, electric grinder. Wide applications, suitable for polishing and sanding olive nuclei, tooth carving, walnut, jade, wood carving and other objects. Specifications: Name: Sandpaper Polishing Bar Material: aluminum alloy + metal Package size: 280 * 170 * 40mm / 11.02 * 6.69 * 1.57in Package weight: 1500g / 3.31lb Packing List: 1 * Sandpaper Polishing Bar Package List 1 * Sandpaper Polishing Bar