The Shepherd Hardware 5 inch swivel TPR wheel casters with brake are lightweight, non-marking wheels that are impervious to water and have strong chemical resistance. These casters are a long lasting, economical alternative to other industrial caster materials. The Shepherd 9739 model features an 5 inch diameter wheel, and a 350-lb load rating. Shepherd 400-Series casters are recommended for tool boxes, bakery racks, dollies, stock trucks, hotel trucks, and other institutional uses requiring excellent mobility.