CE Smith Trailer Axle Galvanized Frame Strap, part 20016G 

Frame strap made from 1/4" thick hot dipped galvanized steel.  Use with 7/16" or 1/2" U-bolts or shackle bolts.

Specs:

• Length: 4" (Dimension A)
• Hole Center: 2-9/16" (Dimension B)
• Width: 1-1/4" (Dimension C)
• 9/16" hole diameter
• Sold each

C. E. Smith Company, Inc. manufactures and sells replacement parts for small to mid-size boat trailers including trailer fenders, boat guides, galvanized bracketry, tire carriers, replacement wheel bearings, rubber rollers, roller shafts, u-bolts and other requirements for boat trailers.