The listing is for a set of four service caster series #20 casters, two swivel 7/16" grip ring stem with brake casters and two swivel casters, with 3” diameter by 1-1/4” wide semi-steel cast iron wheels. Supports a total weight of 1,200 lbs (300 lbs/per caster).
- Weight capacity: 3", 4", and 5": 300 lbs capacity/caster