The WD-55-16; "Dock wheel Axle mounts" ( SOLD & PRICED AS 1 PAIR ). Axle mounts are made of 2" x 154 w. Pipe and have 1/2"-13; Hex nuts welded to them for the 1/2"-13 x 1-1/2" set bolts. Complete with 4 ea. cotter pins & washers for 1-1/2" pipe. Parts & fasteners are zinc plated.
NOTE: Axle mounts are ideally for 1-1/2" Pipe ( 1-7/8" O.D. ), but will work on 1-1/4" Pipe ( 1-5/8" O.D. ).
Plus $9.50 per pair shipping.