These are special-purpose, fixed wrenches designed for servicing packing glands, adjustable collars, rings, locknuts, etc.
Center distance of pins (A) - 1-3/4
Pin Diameter (B) - 7/32"
Pin Length (C) - 7/32
Span of jaws in clear (D) - 1-3/8
Length from Center of Pins (E): 6"
Thickness (F) - 7/32
Made in the U.S.A.