Plastic Deck Wheel Kit / Exmark 103-3168Pack Size:1Exmark 103-3168J. Thomas TD0169, J. Thomas TD-0169, NHC 228-3165, Oregon 72-050, Rotary 10301, Sunbelt B1EM40Exmark Explorer, Metro, Turf Ranger, Turf Tracer, Viking and Lazer Z; Toro Groundsmaster with 72" decksBore: 5/8 ", Tread: Smooth, Wheel Size: 5x2 3/4, Hub: 2 1/2 "