Pneumatic Wind Grinding Pen, 3mm/6mm Collet Can be Replaced, High Speed Engraving Pen Industrial Grade Hand Tool ,Long Service Life

No-load speed: 35000 (rpm) Air inlet size: 1/4 (inch) Recommended tracheal diameter: 5*8 (mm) Use (applicable industry): Abrasive workshop Net weight of tool: 0.3kg (kg) Related Products: pneumatic tools,butterfly mini wind puller,pneumatic screwdriver,pneumatic engraving machinepneumatic crimping pliers,pneumatic rust remover,pneumatic belt machine,pneumatic tapping machine,mini pneumatic shovel,pneumatic engraving pen,pneumatic polishing machine