4 Inch_Polyurethane Wheel Swivel 12mm Threaded Stem Caster Set 2 Brake

Listing is for a set of four (4) Service Caster Series #20 casters, two (2) swivel 12mm metric threaded stem with brake casters and two (2) swivel casters, with 4” diameter by 1-1/4” wide blue polyurethane wheels. Supports a total weight of 1,400lbs (350lbs/per caster).