Package & Size: 1Pcs black c hook spanner wrench, total length is 127mm/ 5inch. Fit for 22-26mm round nut.C-Wrench: Shock spanner wrench is made of carbon steel material, has high hardness and durability, strong fixing force, not easy to slip, not easy to rust.Excellent Design: C-type design can provide 10% - 20% higher torque than ordinary wrenches, the handle design also has a comfortable feeling, hook wrench has a hanging hole, easy to carry and store.Function: Precision machined pins provide engagement with side holes or slots, used to tighten side slot nuts on collars, lock nuts and bearings.Widely Applicable: C pin spanner wrench can be widely used to remove round nuts on vehicles, machine tools and mechanical equipment, drive wrench head screws, shafts and threaded rings, etc.