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: screwdriver head horizontal (SL4/5.5/7), cross (PH1/2, PZ1/2), flower shape (T8/T10/T15/T20/T25/T30), hexagon (H3/4/5/6) ;8*30 series bit pattern (T40/45/50/55), inner hexagon (H8/10/12/14), cross (PH3/4 PZ3/4), one word (SL8/10/12) ; 1/4 hexagon socket (4/4.5/5/5.5/6/7/8/9/10/11/12/13/14mm); 1/2 hexagon socket (14/15/16/17/ 18/19/20/21/24/27/30/32mm); dual-purpose wrench (8/10/11/12/13/14/17/19/22mm); 1/2 adaptor (5/10 inch ), 1/4 post (2/4 inch); universal joint (1/2, 1/4); 1/2, 1/4 quick ratchet wrench; spark plug sleeve (16/21mm); 1/4 Screwdriver handle; 1/4 spring sleeve 1/2 batch head; 1/4 interface 4 inch slider; 1/4 interface 6 inch soft rod; 1/2 interface slider