Hardened and tempered carbon steel. Industrial black oxide finish. Suitable for use with hand or power drills. For soft and hardwood. Set includes single & multi-flute 70° and 90° styles.
Quick and easy to use. Suitable on wood, plastic and soft metals. Handle accepts all other 1/4" hex accessories. 1 pc driver handle. 3pc 90 degree countersink bits: 12, 16, 19mm.