Sturdy Hardware Medium Duty Casters
Perfect for used in any plant
Double ball bearing in the wheel
Quiet rolling operation, floor protection, safe capacity
Non marking wheel
Wheel Diameter: 3", 4", 5"
Wheel Width: 1-1/4"
Wheel Material: Polyurethane, Thermoplastic Rubber, Polyolefin, Hard Rubber, Cast Iron
Capacity: 155~300 Lbs
http://sturdyhardware.com