General description This 11 Piece High Speed Steel Step Drill Bit Set is designed for woodworking enthusiasts and professionals alike. It includes a variety of essential tools to enhance your drilling experience, featuring high-quality materials and a convenient storage solution. Technical specifications Material: High Speed Steel with titanium coating Package Size: 14.0 * 7.5 * 3.5 cm / 5.5 * 3.0 * 1.4 inch Package weight: 288 g / 10.2 oz Compatibility and accessories 3 Step Drill Bits 6 Countersink Drill Bits 1 Automatic Center Punch 1 Storage Bag Usage The automatic center punch provides high-impact, spring-loaded striking, making it easy to create precise starting points for drilling. The titanium coating on the bits ensures resistance to heat, corrosion, and rust, enhancing durability and performance. Other information The set is equipped with a storage bag for convenient organization and portability.