4 Piece Rubber Swivel Expanding Stem Caster Set with 2 Brake

Listing is for a set of four (4) Service Caster 3/4" expanding stem swivel casters, two (2) with top locking brakes, with 3-1/2" diameter by 1-1/4" wide black hard rubber wheels capable of supporting a total weight of 1,140 lbs. (285 lbs./caster).