TS Caster w/Roller Bearing - 4" Wheel & 1/2" Stem w/Brake

Listing is for a set of four (4) Service Caster Series #20 swivel casters, four (4) swivel 1/2" threaded stem casters with top lock brakes, 4” diameter by 1-1/2” wide semi steel cast iron wheels. Supports a total weight of 1,200lbs (300lbs/per caster).