Grinder Electric Belt Sander Mini DIY Polishing Grinding Machine Double Bearing 24V 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.