This 45 degree mini pneumatic chamfering tool features lightweight design, which is small and delicate, and can be operated with one hand. Use the matching wrench to adjust the chamfer size and replace the blade. Portable deburring and trimming air chamfering tool air grinder 1-5 valve adjustment thickening knob can adjust the required gear speed. The chamfer size can be adjusted at will. The switch is used to prevent accidental touch. 1/4 inch metal filter, free speed: 30000 RPM, air consumption: 0.4/min. The pneumatic chamfering tool chamfering machine is designed with chrome plated all aluminum housing and bearings, and is equipped with high-precision heat treatment blades for smoother deburring and chamfering. The portable air chamfering tool air chamfering tool grinder adopts the thinnest nut lock, which can chamfer in the narrowest and shallowest space, and is suitable for angles, such as straight edge chamfering, internal and external circular hole chamfering and irregular chamfering, keyway polygon chamfer. Deburring tool for metal trimming and round R side Colour: silver Material: Metal Package Contents: 1 x 45-degree mini chamfering machine Kit 8 x blades 2 x