Rubber Wheel Swivel ½ Inch Threaded Stem Caster Total Lock Brake SCC

Listing is for a set of four (4) Service Caster Series #20 casters, two (2) swivel 1/2" threaded stem with total lock brake casters and two (2) swivel casters, with 3” diameter by 1-1/4” wide hard rubber wheels. Supports a total weight of 1,100lbs (275lbs/per caster).