BST-2028B 64PCS Dual-Drive Multi-Purpose Screwdriver Set Mobile Phone iPad Camera Industrial Repair Tools 1. Doul-driver ratchet handle,easy to operate 2. Practical PP material handle, environmental design, comfortable to hold 3. Zinc alloy ratchet, Cr-v steel bits, durable and longer life 4. 59pcs different bits, include philips, torx,slotted, Hex,pentalobe,socket head, can be used for cell phone, laptop,PC, car, bicycle repairing. It is a perfect handle tools for a DIY and family man.