1. Material: chrome vanadium steel
2. Suitable for car tire disassembly and some engine maintenance
3. High hardness, good toughness, wear resistance, anti-corrosion
4. With box, easy to store and take
5. Product includes: 1/2 short sleeve (10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/27/30/32mm); 1/2 long sleeve (14/15/17/19/22mm); 1/4 long sleeve (6/7/8/9/10/11/12/33mm); flower shape bit: 1/4 interface flower shape (T8/ 10/15/20/25/30), inner hexagon (3/4/5/6), cross (PH1/2 PZ1/2), horizontal (5.5/6.5/7); S2 batch flower shape (T40/ 45/50/55), internal hexagon (8/10/12/14), cross (PZ3/4 PH3/4), horizontal (8/10/12); 1/4 small square rod; 1/4, 1/2 ratchet wrench; 1/2 adaptor + multifunctional slider; spark plug sleeve (16/21mm); 1/4 short sleeve (4/4.5/5/5.5/6/7/8/9/10 /11/12/13/14mm); universal joint (1/2, 1/4); 1/4 slider + 4 inch post; Allen wrench (1.1/1.5/2mm); E-type socket ( E4/5/6/7/8/10/11/12/14/16/18/20/24mm)