4 Piece Poly Swivel Expanding Stem Caster Set

Listing is for a set of four (4) Service Caster Series #20 1-1/2" expanding stem 316 stainless steel swivel casters, two (2) with top locking brakes, with 4" diameter by 1-1/4" wide gray polyurethane wheels capable of supporting a total weight of 1,400 lbs. (350 lbs./caster).