Heavy Duty Green Poly on Cast Iron Caster

Listing is for a set of four (4) Service Caster Series #92 casters with 10" diameter, 3" wide green polyurethane tread on metal core wheels. Set includes two (2) rigid casters and two (2) swivel casters fitted with bolt on swivel locks. Supports 12000 total pounds (lbs) at 3000 pounds (lbs) per caster.