Listing is for a set of four (4) service caster series #35 casters, two (2) swivel casters with bolt on swivel locks and two (2) swivel casters with side lock brakes, with 4" diameter by 2" wide glass filled nylon wheels capable of supporting a total weight of 4,800 lbs. (1,200 lbs./caster).
Features
Top plate measures at 4-1/2" x 6-1/4" with a bolt hole pattern of 2-7/16" x 4-15/16" to 3-3/8" x 5-1/4" and can either be bolted or welded on.