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
Dethatcher Tine Spring 3/16" Spring Wire
5019264
Plug Aerator Tine
5069004-BNC
1/2"-13 Top Lock Hex Nut
5006091
5041156
Bronze Bushing