Qnkaa Ratchet Spanner Set Combination Wrench 12 Piece Metric Sizes from 8mm to 19mm with Roll Bag, Perfect for Home, Bike, Car RepairsMade from premium Chrome Vanadium steel, drop forged, hardness reaches HRC 48. Mirror finishing in high polish chrome, anti corosion. Heavy duty ratchet and durable pawl design is perfect for strong griping. 72 teeth ratchet makes only 5swing arc. Open and bi hexagonal box ends combination wrenches set. Metric size: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm. All size are in roll up pouch for easy organization and convenient storage. Warranty: 12