Wheel Diameter: 4", 5", 6", 8" Wheel Tread Width: 2"

Weight Capacity: 4"- 300lbs, 5"- 350lbs, 6"-500lbs, 8"-600lbs Wheel Type: TPR Wheel Durometer: Shore A 75 (+/-5) Bearing Type: 1/2" Roller Bearing Temp Range: -20° to 180° F