Martin Wheel 6X1-3/8 Plastic Deck Wheel for Lawn Mower, 1/2-Inch Bushing, 1-3/8-Inch Offset Hub 6X1-3/8" Plastic Deck Wheel, Bore: 1/2" Bushing |Hub Length: 1-3/8" Offset Tread: Smooth Non-highway use only