[Easy to operate]: This 45 degree mini pneumatic chamfering tool has a new 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.[Adjustable speed and angle]: portable deburring and trimming air chamfering tool air grinder 1-5 valve adjustment thickening knob can freely adjust the required gear speed. The chamfer size can be adjusted at will. The safety switch is used to prevent accidental touch to protect the 's safety at all . 1\/4 inch metal filter, free speed: 30000 RPM, air consumption: 0.4\/min.[Higher cutting efficiency]: The pneumatic chamfering tool chamfering machine is designed with a new chrome plated all aluminum housing and high-quality bearings, and is equipped with high-precision heat treatment blades for better use and smoother deburring and chamfering.[]: The Company's portable air chamfering tool air chamfering tool grinder adopts the thinnest nut lock bearing at , 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. Angle, keyway polygon chamfer. Deburring tool for metal trimming and round R sideColour:silverMaterial:MetalPackage Contents:1 x 45-degree mini chamfering machine Kit8 x blades2 x BearingOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.