Polyurethane Rigid Caster 6 x 2"

Abrasion-resistant, polyurethane tread locked on heavy cast iron core. Water, oil and chemical resistant. Not recommended on ceramic floors. Solid, non-marking. Won’t develop flat spots. Comes complete with grease fittings.
Top Plate: 4.4375 x 3.9375"
Bore Hole Centre: 3.5 x 2.75"