Pneumatic 5-in-1 Tool Set, Pneumatic Engraving Machine/Angle Grinder/Ratchet Wrench ,Long Service Life

Air inlet size: 1/4 (inch) Working pressure: 90PSI Air drill clamping range: 1.5-10mm Engraving machine chuck: 3mm/6mm Ratchet wrench square head: 1/2" Angle grinder grinding wheel: 3" 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