Mounting options include top plate, bolt hole and standard and metric threaded stem sizes.
. Listing is for a set of four (4) Service Caster Series #20 swivel casters, four (4) swivel casters with top lock brakes, 4” diameter by 1-1/4” wide thermoplastic rubber wheels. The zinc plated finish provides durability under any condition, and the soft, quiet and non-marking thermoplastic rubber wheels perform especially well on hard surfaces such as concrete, tile, and wood. They are resistant to water, oil, and grease and will keep you safely moving forward.