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