The FIMCO Bronze Bushing provides proper spacing for tines in FIMCO Spike and Plug Aerators.
410/350 x 4" White Wheel with 2-1/4" Offset Hub & 5/8" Bearing
5021092
Cotter Pin 1/8" x 1"
5101077
1/2"-13 Top Lock Hex Nut
5006091
1/2"-13 x 3.75" Hex Bolt
5034569
5041156
Bronze Bushing