Description: Material: Carbon steel Main preparation: 1. 21 pieces of socket bits Hexagon socket: T10/T15/T20/T25/T30/T40 Flat head hexagon socket: H3/H4/H5/H6/H7/H8 One word: S4/S5.5/S7 ten words: PH1/PH2/PH3 Rice word: PZ1/PZ2/PZ3 2. 13 pieces of 1/4" hexagon socket: 4-4.5-5-5.5-6-7-8-9-10-11-12-13-14MM 3.1 pieces of 1/4" universal joint 4. 1 piece of 1/4" elastic post 5.2 pieces of 1/4" post (50MM 100MM) 6.3 pieces of L-shaped hexagon wrench (1.5-2-2.5MM) 7.1 pieces of 1/4" slider 8.1 small square rod with 1/4" interface 9.1 pieces of 1/4" quick-falling ratchet wrench 10. 1 tool box (a tool box is also considered one ) Specification: Easily used and storage: Quick release switch and reversible mechanism for easy operation. A sturdy plastic organizing case is included. Humanization-design: handle for better and more comfortable grip. High quality durable and reusable. 100% Satisfaction: Any further question about it please feel free to contact us. includes: 1 xSocket Wrench Tools Key Hand Tool Set