These are special-purpose, fixed wrenches designed for servicing packing glands, adjustable collars, rings, locknuts, etc.
Center distance of pins (A) - 2-3/4
Pin Diameter (B) - 9/32"
Pin Length (C) - 9/32
Span of jaws in clear (D) - 2-9/32
Length from Center of Pins (E): 8"
Thickness (F) - 1/4
Made in the U.S.A.