4 Piece Polyurethane Caster Set with Roller Bearing 2 Swivel 2 Rigid (Set of 2)

Listing is for a set of four (4) service caster series #30 casters with a 4" diameter, 2" wide polyurethane tread set on polyolefin core wheels. set includes two (2) swivel casters and two (2) rigid casters. supports 2000 total pounds (lbs) at 600 pounds (lbs) per caster. non marking/non marring.