This is a multifunctional belt sander, mini portable, low noise, can be used for high-speed steel drill bit rough grinding, blade edging, fine grinding tungsten steel turning tool, polishing Bodhi root, etc., easy to install and operate, is a home DIY tool. Features: 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: Adapter Power: 12-24V, 4-20A Material:Chrome Vanadium Steel No-load speed: 4500-9000RPM (adjustable) No-load Temperature: 26 degrees- 45degrees Noise: 75-85db Belt size: 330*10mm Machine size: 170*100*145mm Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package included: 1pc x Belt Sander 5pc x Wrench 10pc x Abrasive Belt