Wheel Diameter: 3", 4", 5" Wheel Tread Width: 1-1/4"

Weight Capacity: 3"- 300lbs 4"-350lbs 5"- 375lbs Wheel Type: Solid Polyolefin Wheel Durometer: Shore D 70 (+/-5) Bearing Type: Black 3/8" None/ Plain/Bore, White 3/8" ID Spanner Temp Range: -20° to 180° F