4 Inch SS Poly Swivel 12mm Threaded Stem Caster Set 2 Total Lock Brake

Listing is for a set of four (4) Service Caster Series #20 stainless steel casters, two (2) swivel 12mm-1.75 X 1-1/2" metric threaded stem with total lock brake casters and two (2) swivel casters, with 4” diameter by 1-1/4” wide polyurethane wheels. Supports a total weight of 1,400lbs (350lbs/per caster).