Wrenches Elastic Ratchets Ratchet Nuts Bits Metric Ratchets Ring & Open End Wrenches Tool Sizes Style & Size: 9mm Dual Purpose Ratchet, Size: Spec width: 9mm, round mouth width: 21mm, opening width: 18.5mm, total length: 152mm, round mouth thickness: 8mm, opening thickness: 6mm, weight: 60 g. Good wear resistance and rust resistance, especially suitable for use in narrow places Dual-purpose ratchet wrench, super torque, smooth ratchet design , high hardness Precision forged chrome vanadium steel, preferably high hardness steel 72-tooth precision ratchet, wrench only needs 5° to rotate once Elongated and thickened design, the overall thickened surface is not easy to rust It can be changed by simply rotating around its own axis between left and right rotation right. Made of high-quality chrome-vanadium steel, the ring roller open-end wrench is durable and long-lasting, not least because of its corrosion-resistant and easy-to-clean surface Very tight screws require effort huge to open.