Pipe wrench Pipe wrench A pipe wrench is any of several types of wrench that are designed to turn threaded pipe and pipe fittings for assembly (tightening) or disassembly (loosening). Especially in North America, the Stillson wrench or Stillson-pattern wrench is the usual form of pipe wrench. (The name comes from the original patent holder, who licensed the pattern to multiple manufacturers; the patent expired decades ago.) Another type of wrench often used on pipes, the plumber wrench, is also often called a pipe wrench, depending on locale. The Stillson type is an adjustable wrench/spanner with hardened serrated teeth on its jaws;
Ice tool stage for repeating the process. Historically the most common type of Ice tool uses a specialized leashes that snugly grips the climbers wrist. The length of the leash is adjusted so that when a climber hangs on a leash their hand remains at the tool's handle portion of the axe shaft. This allows the climber to rest on the axe placement by applying minimal grip to the axe shaft. The greatest disadvantage to a leashed tool is the potential to become stuck on the tool in the rest position without the ability to reach the grip and control the tool