characteristic: All points have an angle of 90, which can precipitate clearly and accurately. The blade is hardened and polished with high sharpness. With staggered cutting teeth, chips can flow freely and cut quickly and boring. Very suitable for wood board, fiberboard, particleboard, plywood, plastic, aluminum board, PCB board, etc. Suitable for DIY, home and general construction/engineering. Suitable for all kinds of chuck electric drills, burr removal does not hurt hands, is safe and reliable, and improves work efficiency. describe Name: Chamfer Combination Set Material: steel colour: Gold+Silver Package Contents: 1 x Chamfer assembly set 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.