Feature: This is a multifunctional belt sander, mini portable, low noise, can be used for high-speed steel drill bit rough grinding, blades edging, fine grinding tungsten steel turning tool, polishing Bodhi root, etc., easy to install and operate, is a home DIY tool. Made of fine quality metal, not easy to rust, wear-resistant, has a long service life. Built-in double bearing, non-slip and dustproof. The base is stable and sturdy, can be placed on the table, labor-saving. The design of the eccentric adjustment wheel can adjust the verticality of the belt. The belt adjustment wheel has a spring structure to automatically adjust the tightness. The worktable can adjust the angle freely, and the slave adjustment wheel adds a slot, which can slide up and down without popping up. Specification: Color: As the pictures how Material: Metal Voltage: AC 110-240V 50/60Hz Rated voltage: DC 12-24V No-load speed: 4500-9000RPM (adjustable) No-load temperature: 26-45 degC Noise: 75-85db Belt size: 330 x 10mm / 13.0 x 0.4in (60/80/120/150/180/240/320/400/600/800 mesh) Machine size: 170 * 150 * 115mm / 6.7 * 5.9 * 4.5in Note: The power adapter is not Included includes:1 x Belt Sander 5 x Wrench 10 x Sand Belt