Service Caster #20 Series 3/4 inch expanding adapter stem swivel casters with 3 inch hard rubber wheel and posi lock 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: 4-1/8"
Expanding Adapter Size (Inside Diameter): 3/4"
Wheel Size: 3" x 1-1/4"
300 pound capacity per caster