This chamfer tool kit is suitable for non-high hardness materials such as cork, thin iron plate, PVC plate, etc. It is perfect for woodworking, edging, trimming, grooving, veining wood projects, and perfect for carpenters and hobbyists of all experience levels. Features - Color: Silver. - Material: High-speed steel. - Size: About 8.40X2.80X1.20cm/3.30X1.10X0.47inch. - The countersink chamfer deburring tool is made pf high speeds steel, which hardness and durable. - Great for wooden planks, fiberboard, particle board, plywood, plastic, aluminum board etc. - Different sizes to meet all your needs, suitable for DIY, home and general building or engineering using. - Use the lowest speeds on the drill bit and apply a little pressure to remove burrs and get a sleek hole. - Perfect for , sharps and precise countersinking. Through slot chip removal prevents chips from clogging in workpiece. Package list: 4 x Chamfers Drill Bits