... speed: 40,000 rpm4 colors: pink, light blue, red5. Available manual / foot switch control open / stop, can be controlled reversible, ... configuration)2.6 Pack wheelhead 1SET (standard configuration)3. The operating lever bracket 1PC (standard configuration)4. Foot switch of ... strong bumps, especially handle mouth.4 Do not overload the machine.Grinding head will gradually wear remove the old Wheelhead, ...