Shepherd Hardware 9775 Rigid Caster, 6 in Dia Wheel, Phenolic Wheel, 840 lb

High-strength, high-impact wheels resistant to oil, gasoline and dilute acids. Top plate made with 1/4 in cold forged steel. Wheel bearings are straight roller 3/4 in with spanner bushing. 4 x 4-1/2 in square plate.