Service Caster #20 Series 7/8 inch expanding adapter stem swivel casters with a 4 inch nylon wheel and brake. 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: 5-1/8"
Expanding Adapter Size (Inside Diameter): 7/8"
Wheel Size: 4" x 1-1/4"
300 pound capacity per caster