Service Caster #20 Series swivel casters with 3-1/2 inch soft 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: 3-1/2" x 1-1/4"
Top plate size: 3-1/8" x 4-1/8"
Bolt hole pattern: 1-3/4" x 2-15/16" to 2-3/8" x 3-3/8"
Bolt size: 5/16" (hardware not included)
Mounting height: 4-5/8"
200 pound capacity per caster
Wheel hardness: 70-80 Shore A Durometer