About this item: Made 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. Package list: 1 12PCS Ratchet Wrench Set 1 Storage Bag 1 Fishbone Spanner Hinsinc 8-19MM Fixed Head Combination Wrench Set Tool 72 Tooth Ratchet Spanner Set-12PCS in Silver