Service Caster #20 Series swivel casters with 4 inch hard rubber wheel. Featuring a zinc plated finish, these casters are ideal for light and medium duty material handling, carts, equipment, and shop projects.
Wheel Size: 4" x 1-1/4"
Wheel hardness: 70-80 Shore D Durometer
Top plate size: 2-1/2" x 3-5/8"
Bolt hole pattern: 1-3/4" x 2-7/8" to 3"
Bolt size: 5/16" (hardware not included)
Mounting Height: 5-1/8"
300 pound capacity per caster