[Easy Operation]: This 45-degree mini chamfering machine air tools has a design, small and exquisite,Use the matching wrench to easily adjust the chamfer size and replace the blade.Can be easily operated with one hand. [Adjustable Speed and Angle]: The portable deburring trimming chamfering tool air grinder 1-5 block valve adjustment thickened knob, freely adjust the gear speed you need. The chamfer size can be adjusted at . The safety switch is used to prevent accidental touch to protect the user's safety at all times. 1/4 inch metal filter, free speed: 30000 RPM, air consumption 0.4/min. [Stable Speed]: Pneumatic metal beveling tool can withstand high impact and high speed. The speed is increased and the chamfer is smoother, and the beveling machine is more . [Higher Efficiency]: The upgraded version of the pneumatic chamfer tool Type:B:Set B Colour:As Shown Material:Metal Package Contents: 1 * chamfering machine 4 * cutter heads (2 pre-installed) 1 * bearings 2 * wrenches 1 * interface Only 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.