This item is a set of countersink drill bit, which is made of safe and durable materials, has reasonable design and use functions, and can be well applied to woodworking work. It is made with excellent technology, has good wear resistance and durability, can improve your work efficiency, and can easily bring you more convenience. Features - Color: Black. - Material: High-speed steel. - Size: About 11.40X1.24X1.24cm/4.48X0.49X0.49inch. - Package includes 5pcs countersink drill bits, satisfy your different demand. - They are made of high-speed steel, durable and offer cutting power. - This product suitable for hand drill, bench drill and practical electric drill. - Countersink drill bits suitable for wood, rubber, fiberboard, plywood, plastic, PVC etc. - This is a set of practical woodworking tool accessories, good for accurate and fast drilling. Package list: 5 x Countersink Drill Bits