4"X2" Poly. on Polyolefin Core Wheel Swvl Caster W/ Brake, 600 Lbs Cap, Mapp Caster, Mfr#: 146PRX420SB

Polyurethane on polyolefin wheels offer more floor protection, non-marking treads, quieter rolling, & smoother rides compared to steel or phenolic wheels while still providing comparable load capacities. These polyurethane on polyolefin wheels are going to be the most economically priced of the polyurethane wheels and great for general industrial applications.These wheels can be used in most applications, but are not recommended for hot or cold applications, or when left in direct sunlight for most of their use.