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.