4" Polyurethane Wheel 1/2"-13x1" Threaded Stem Swivel Caster With Top Lock Brake

Polyurethane Wheel • Resistant to Acids & Caustics • Temperature Range -45° to 180°F • Double Ball Bearing Raceway for Long Wear and Added Strength • Zinc Plated • Raceway Dust Cover • 300 LBS Capacity • Top Lock Brake (DROP SHIPS - NOT AVAILABLE IN STORE)