These are special-purpose, fixed wrenches designed for servicing packing glands, adjustable collars, rings, locknuts, etc.
Center distance of pins (A) - 2
Pin Diameter (B) - 1/4"
Pin Length (C) - 1/4
Span of jaws in clear (D) - 1-19/32
Length from Center of Pins (E): 6 1/2"
Thickness (F) - 7/32
Made in the U.S.A.