4 Piece Poly on Aluminum Caster Set with Roller Bearings

Listing is for a set of four (4) service caster series #30 casters, two (2) swivel and two (2) rigid casters, with 8" diameter by 2" wide maroon polyurethane tread on silver aluminum core wheels capable of supporting a total weight of 5,000 lbs. (1,250 lbs. per caster).