3inch High Strength Purplish Red Polyurethane Casters

3 inch High Strength Purplish Red Polyurethane Casters Specifications:  1) Wheel diameter: 4" 5'' 6" 8" Heavy Duty Caster 2) Wheel Width: 50mm Industrial Caster Wheels   3) Load Capacity: 250 330 390 400kg Industrial Caster    4) Material: PU Caster With Wear Resisting  5) Bearing: Double Bearing  6) Fixed / Swivel / Brake (can be with side brake or total brake)  7) Color: Purplish Red Features:attractive appearance,wearing resisting,large loading capacity