Rubber wheel
Carries higher capacities than rubber, outwears rubber, floor protective and quiet in operation
Polyurethane Wheels
Possessing good cushioning properties, these wheels work well on rough and uneven surfaces, turn quietly and protect floors.

metal Wheels
Consists of four types -- cast iron, ductile iron, forged steel and stainless steel. Can be configured with a flat face or crowned tread.
Plastic Wheels
Easy rolling, high capacity, economical, chemical resistant and floor protective in intermittent operation