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;
Firearm (tool) from July, 2011 at the latest (but can since January, 2010). This means that for bringing them to the European market, the manufacturer no longer needs a firearms-type approval from a respective authority but a CE approval from a European accredited test laboratory ("notified body"). Firearms legislation no longer applies to PAT. A European safety standard (EN 15895) is under development and was expected to be effective at the end of 2010 or beginning of 2011. Firearm (tool) A firearm is primarily a weapon, but can be used as a tool to project either single or multiple objects at high