Product Material: chrome vanadium steel Quantity: 25 pieces (1 set) Folding size: 105 * 65 * 20 mm Package content: 1 set of screwdriver tools 1 .High Precision and Rigidity - The 24 screwdriver heads are suitable for most home electronic presious on the market, the heads can dismount even 0.7mm screws. They are made of the chrome vanadium steel with high rigidity, they are hard to deform and break. 2.Magnetic Heads- The screwdriver heads are magnetic and they can tighten the screws when repairing, which makes the Improves performance and saves your time and effort. 3.Aluminum Handle and Flexible Shaft - Ergonomic design offers you a comfortable grip. Sturdy handle for a firm grip and the attachments are screwed securely or nothing can slip or wobble, the screwdriver makes repair or installation easy. 4.Magnetic Heads - The screwdriver heads are magnetic and they can tighten the screws when repairing, which improves the performance and saves your time and effort. 5.Portable Case- Securely put in the leather case for storage, it is easy to carry. When you work outside, you can take it with you.