The RS-15H Hammer Head Wide Opening Adjustable Spud Wrench, is one our most popular and sought after products that has been sold respectively in the industry since 1999. Like it’s sister wrench, the RS-15, the bottom portion of the RS-15H Wrench is used for aligning structural steel during erection. The RS-15 Spud Wrench can be used in various trades including, but not limited to, mining, forestry, automotive and construction. Our wrenches meet all of the U.S. and Canadian specifications making it the top of its class.