Features:1. Good quality steel: the drill bit is made of good-quality high-speed steel, precision equipment, processing and forging.2. Smooth chip removal: spiral chip removal groove design makes chip removal more convenient.3. Sharp tooth edge: sharp wear-resistant blade, continuous cutting, fast speed and improve work efficiency.4. Screw cap opener: easy to deal with a variety of materials.5. Material: this twist drill is made of good material, which is durable.