Single Head Open End Wrenches, commonly referred to as"Engineer's" wrenches, are drop forged from steel bar. 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.
Diameter of Head: 1-3/8"
Thickness of Head: 11/32"
Made in the U.S.A.