1. CR-V vanadium steel bit, hardened and heat-treated, wear-resistant and durable 2. Strong magnetic design inside the handle and extension bar, easy to absorb screws and small parts 3. PP+TPR anti-slip soft rubber handle, comfortable to use 4. Universal extension pole extension, bend at will 5. Transparent outer box, easy to store and carry, not easy to lose 6. Material: vanadium steel 7. Weight: about 356.2g 8. Size: about 16 x 11cm