WRENCH - Martin Tools

Single Head Open End Wrenches (also referred to as "Engineer's" wrenches) are drop forged from steel bar. They are available in fractional sizes only from 1/2" through 5".These are special purpose single end wrenches with an extra thick 15 degree angled opening designed for heavy industrial service. 1-13/16" and larger sizes have a tapered handle. They come in an industrial black finish.