Click Stop® Adjustable Spud Wrench, 16 1 8 in L, 1 1 2 in Opening, Black Oxide no checkout Used to provide leverage on Used to provide leverage on hand operated valve wheels Permits a smooth snap hammer action to make opening and closing stubborn valves easy The special shaped opening in the wrench reduces the chance of slippage when working in overhead or crowded positions PVC injection molded footwear is 100% waterproof to ensure workers' feet are dry and comfortable PVC formulation is resistant to degradation from agricultural chemicals slightly tapered jaw for access in tight work areas Radius corner design increases strength and fastener surface contact area Easy jaw adjustment Large serrated knurl for jaw adjustment Clik Stop® automatic locking jaw