Service Caster #20 Series 1-1/2 inch expanding adapter stem swivel casters with 3 inch soft rubber wheel and top lock brake. Featuring a zinc plated finish, these casters are ideal for light and medium duty material handling, carts, shop projects, and any equipment with round or square tube legs.
Mounting Height: 4-1/8"
Expanding Adapter Size (Inside Diameter): 1-1/2"
Wheel Size: 3" x 1-1/4"
175 pound capacity per caster