4 Piece Phenolic Caster Set with 2 Swivels and 2 Rigids

The listing is for a set of four (4) service caster bakery rack series #20 casters, two (2) swivel and two (2) rigid casters, with 4" diameter by 1-1/2" wide high-temperature phenolic wheels capable of supporting a total weight of 1,200 lbs. (300 lbs./caster).