Castors Size: 1.5" 2" 2.5" 3". Type: Swivel Caster; Brake Caster. Tire Material: Polyurethane(PU). Bearing Type: Dual Ball Bearings. Featuring Dual Bearings Embedded Within, Utilising Premium Steel, the Precision Double-ball Bearings with Supporting Steel Sleeves Ensure Smooth, Frictionless Rolling and Truly Silent Operation.
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