The main body is made of steel, fully bolted, and a strong body, wear-resistant frame. Cross circle design, replace the fixed snap ring of the angle grinder,do not damage the angle grinder, easy to disassemble. The knob can adjust the elasticity of the abrasive belt freely to consolidate the abrasive belt and prevent it from slipping. The base is soft, not easy to break, the sand grains are tight, and it is not easy to lose sand. Note: The bracket only is not included with the machine., Manufacturer: WAFOHSR