The chamfering tool includes 1 pneumatic trimming and chamfering machine, 2 R-angle blades, 2 wrenches and 1 pneumatic connector, which can be used alternately with C-angle blades, and the blades are simple and easy to change, making it a multi-purpose machine. Five-speed intake speed adjustment, with idle speeds up to 30,000 rpm, as well as precise adjustment of depths from 0.1-0.9mm and chamfer sizes from 0.1-1.5mm. Equipped with safety snap design, the valve can be automatically snapped when you let go to the safety of the operator. The air inlet is equipped with a filter, effectively preventing foreign objects from entering, keeping the machine unobstructed and ensuring normal work.. Pneumatic chamfering machine with low vibration, low resistance and low loss, whether you are cutting straight lines, circles, curves or irregular edges of external or internal holes, this pneumatic mini chamfering machine can complete the task quickly and smoothly. The chamfering tool is a