- Ergonomic Design: High-precision spiral grooves ensure fast drilling progress, improved tool life, and excellent centering for clean and precise holes - Designed to Last: Made of High-Speed Steel (HSS) with right-hand cut DIN 338, 118-degree point angle, and a durable performance tip. - Complete Drill Bit Set: Includes 13 wood drill bits, 12 concrete drill bits, 3 metal drill bits, a hole saw with arbor, 60 screwdriver bits, 7 socket bits, 1 countersink bit, and a magnetic bit holder.