GEARWRENCH 81857 Spanner Wrenches & Sets; Wrench Type: Adjustable Hook Spanner Wrench; Minimum Capacity (mm): 114; Maximum Capacity (Inch): 6-1/4; Overall Length (Inch): 11.970000; Hook Thickness: 0.44 in; Hook Depth: 0.25 in; Corrosion-resistant: Ye