1. Multifunctional punching hand twist drill
2. Material: chrome vanadium steel
3. High hardness, durable, not easy to wear, fast and convenient
4. Size: steel holder: 8.9x1.4cm, double-ended steel holder: 10x1cm, black hand drill: 9x1.5cm, boxed bit: 2.3x9x4.8cm, holder: 5.4x4.5x3.6cm
5. Weight: steel holder: 26g, double-headed steel holder: 22g, black hand twist drill: 20g, box drill: 20g, holder: 70.6g
