Service Caster #20 Series 7/8 inch expanding stem swivel casters with 3-1/2 inch hard rubber wheel. Featuring a zinc plated finish, these casters are ideal for work tables, shop projects, and any equipment with round or square tube legs.
Mounting Height: 4-5/8"
Expanding Adapter Size (Inside Diameter): 7/8"
Wheel Size: 3-1/2" x 1-1/4"
285 pound capacity per caster