4" x 2" Sirius HD Donut Polyurethane on Aluminum Wheel - Swivel Casters - Plate Size: 4-1/2" x 6-1/4" - Capacity: 1,000 lbs

4" x 2" Orange Sirius Heavy Duty Donut Polyurethane on Aluminum Wheel - Swivel Casters - Plate Size: 4-1/2" x 6-1/4" - Capacity: 1,000 lbsPlate Size: 4-1/2" x 6-1/4"CasterHQ's 4" x 2" Sirius HD Poly on Aluminum Wheels are used in many applications where the casters and wheels are exposed to water or chemicals. Aluminum is resistant to rust and provides a very strong core for the liquid cast polyurethane tread. Polyurethane on Aluminum wheels are used in Food Processing Equipment, Food Service, Hospitals, Research Laboratories, Pharmaceutical Laboratories, Bakeries, Schools, Institutional, and industrial applications and environments. Polyurethane is a non-marking tire which are much easier to roll compared to a softer rubber wheel. Polyurethane on Aluminum wheels are great for wash down applications