This line of low-level casters are designed to move heavy loads while minimizing equipment height. The line offers 14 casters in 10 distinct overall heights from 2-7/32 in. to 4-15/16 in. Wheel diameters range from 1-5/8 in. to 3 in. and load capacities from 220 to 1,200 lbs. Wheel materials include nylon, phenolic, polypropylene, polyurethane, and polyurethane-on-nylon, to meet a wide range of performance requirements.