This is a A-65129 Spacer, 1/2" PN: 65129Main Description As Following : A-65129 Spacer, 1/2" P.N: 65129 New spacer. Spacer measures 1/2". Fits Woods finishing mower and rotary cutters.Inside Diameter: 1.014"Outside Diameter: 1.625"Width: .50" Stocked As: A-84612 Found in Section & Models : Hay Tool Parts > Rotary Cutter Parts, Woods MOWER, FINISHING: SEVERAL (Spacer For Caster Wheels), Woods ROTARY CUTTER: SEVERAL (Spacer For Caster Wheels) Associated Items : New Also This is An Aftermarket Product And : New spacer. Spacer measures 1/2". Fits Woods finishing mower and rotary cutters. Inside Diameter: 1.014" Outside Diameter: 1.625" Width: .50"