Solid Poly Wheel Swivel Expanding Stem Caster Set 2 Brakes SCC PLB 3.5" x 3/4"

Listing is for a set of four (4) Service Caster Series #20 3/4" expanding stem swivel casters, two (2) with posi locking brakes, with 3-1/2" diameter by 1-1/4" wide blue solid polyurethane wheels capable of supporting a total weight of 1,200 lbs. (300 lbs./caster).