mini pneumatic tools chamfering machine arc straight edge square hole metal trimmer 45 degree air chamfer wind power beveling reamer

this tool can easy adjust the chamfering depth by dial panel.suitable for different chamfer deepth requirement.smooth chamfering,no ripple,low noise,no heating after long hours use. stable operation and long service life.the running speed is 30000rpm, and the depth is c0.1-c1.5. the body compact and exquisite, and the right fillet can be easily used with one hand. five gears can be y adjusted to the appropriate intake speed for use,which can improve the blade life, and is easy to operate and use. chamfer object:square hole,round hole,straight edge,arc edge metal,plastic,wood material etc.syi