1. Material: chrome vanadium alloy steel
2. System: metric
2. Weight: 200g/set with red handle, 210g/set with black handle
3. Size: red handle 170x150mm/set, black handle 170x113mm/set
4. Contains: 19 pcs/set, 18 pcs of 30 mm 1/4" drill bits (4 pcs of cross head, 2 pcs of flat drill bits 4/6 mm, 6 pcs of hexagon head 2/2.5/3/4/5/6 mm , 6 pcs of plum blossom head 10/15/20/12/30/40), 1 piece of simple wrench
5. Features: beautiful and practical, strong and durable, wide applicability, versatile, durable