30° Angle Service Wrenches are made in the U.S.A. (Also referred to as Pump Wrench). A special purpose Thin Head Single End wrench with a 30 degree angled open edn opening. The thin pattern helps with use on jam nuts and in confined areas. They are generally used for servicing pumps, glands, valves, etc�30 degree Service wrenches are Drop Forged from steel bar. These wrenches are available in fractional sizes from 3/4� through 2-9/16� with Chrome or Industrial Black finish.