Powerful Wind-grinding Pen, Hand-held Pneumatic Lettering Pen Industrial Grade Hand Tool ,Long Service Life

Working pressure: 90psi No-load speed: 72000rpm (rpm) Chuck size: 3mm Recommended tracheal diameter: 5 (mm) 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