Chemtainer CST60URR CST60RBS Caster Replacement Set - Service Caster Brand

Mounting Height: 7-1/2" Features heavy duty non-marking polyurethane tread on a polyolefin core wheel, providing a smooth roll over uneven surfaces without marking or marring floors. Weight Capacity: 3600 lbs. Overall Top Plate Dimensions: 4" x 4-1/2"; Mounting Hole Dimensions: 2-5/8" x 3-5/8" to 3" x 3"