4 Piece Rubber Caster Set with Roller Bearings

Listing is for a set of four (4) service caster series #30 casters with a 4" diameter, 2" wide thermoplastic rubber tread on polyolefin core wheels. Set includes two (2) swivel casters and two (2) rigid casters. Supports 1200 total pounds (lbs) at 300 pounds (lbs) per caster.