31 Jul 3 Inch American Size Threaded Stem Swivel Caster Wheels Heavy Duty Non Marking R
4 x 3” Side Brakes PVC Caster Wheels. All swivel casters wheels approved by SGS，BIFMA，REACH，ROHS. stem casters. Wheel Type: Stem Casters. Double ball bearing swivel head. Material: Red Soft PVC Rubber and Steel....