Titan Tools 216 12-Inch Adjustable Construction Spud Wrench features a jaw capacity of 1-1/2 inches. Adjustable construction spud wrench is forged from durable chrome vanadium steel alloy and has a corrosion-resistant industrial black finish. Precision machined jaws and knurled worm for smooth and easy adjustment. Laser-etched scales provide a quick and easy way to identify fastener sizes for both fractional and metric. The tapered spud handle makes aligning bolt and rivet holes easier. Spud wrenches are commonly used by boilermakers, ironworkers, steamfitters, and pipefitters to line up connection holes and tighten nuts & bolts.