4 Piece Polyolefin Swivel Caster Set with 2 Rigid

Listing is for four (4) Service Caster, heavy duty low profile business machine top plate casters, two (2) swivel and two (2) rigid casters. Features a 2-1/2" diameter by 1-3/4" wide polyolefin wheel. Zinc plated finish on metal parts. Wheel rotates on roller bearing. Set of 4 supports 1,600 pounds (lbs.) (400 lbs./caster).