Vestil Cst-F-10X3Fm-S Flat-Free Swivel Caster 10″ Diameter X 3″ Width 300 Lb. Capacity, Black/Gray

This foam-filled (flat-free) caster provides the same shock absorbent cushion ride a pneumatic does without the worry of flat tires and refilling air. Ideal for hand trucks, platform trucks, and luggage carts.