Product information: Model: RT-1639 Whether explosion-proof: Yes Material: Chrome vanadium alloy steel Spinning head type: Y type Customized processing: No Packing list: One set contains: One word: 4: 3.0 4.0 5.0 6.0MM Cross: PHO(2.5) PH1(3.0) PH2(4.0) PH3(6.0) PZO(2.5) PZ1(3.0) PZ2(4.0) PZ3(6.0) Torx screwdriver: T10 T15 T20 T25 Hexagon socket: 2.0 3.0 4.0 Square: S0 S1 S2 S3 Sleeve: 5MM 6MM 7MM 8MM 9MM 10MM 11MM 12MM 13MM 4 clocks spiral batch: one word: 2.5 3.0MM Cross: 2.5 3.0MM