Southco Stern Eye U-Bolt

Southco's stern eye U-bolts are made from 304 stainless steel and have welded base plates to minimize potential corrosion and offer superior sealing. The second picture shows a drawing with labeled dimensions. For the M7-32-9026292 they are:

A: 5.375" (136 mm)
B: 3.125" (79 mm)
C: 1.8125" (46 mm)
D: 0.5" (13 mm)