50mm Swivel Thermo-Polyurethane Caster (Black) 49mm x 66mm Top Plate
10" Full Pneumatic Tire w/ ½" Centered Hub
10" x 2.75" Semi-Pneumatic Wheel, 3/4" Bore, Centered Hub
10" x 2.75" Semi-Pneumatic Wheel, 3/4" Bore, Offset Hub
10" x 2.75" Semi-Pneumatic Wheel, 5/8" Bore, Offset Hub