Service Caster #20 Series 1-1/4 inch expanding adapter stem swivel casters with a 4 inch polyolefin wheel and posi lock. Featuring a zinc plated finish, these casters are ideal for light and medium duty industrial applications, material handling, carts, shop projects, and any equipment with round or square tube legs.
Polyolefin wheels have a high resistance to shock and impact damage while being non marking protecting floors. These easy rolling wheels are quieter than comparable steel wheels. Polyolefin wheels also provide resistance to abrasions and chemicals.
Mounting Height: 5-1/8"
Expanding Adapter Size (Inside Diameter): 1-1/4"
Wheel Size: 4" x 1-1/4"
350 pound capacity per caster