Service Caster #20 Series swivel casters with 3 inch semi steel cast iron wheel and posi lock brake. Featuring a bright zinc plated finish, these casters are ideal for light and medium duty material handling, carts, equipment, and shop projects.
Wheel Size: 3" x 1-1/4"
Top plate size: 2-1/2" x 3-5/8" with ball bearing swivel
Bolt hole pattern: 1-3/4" x 2-7/8" to 3"
Bolt size: 5/16" (hardware not included)
Mounting Height: 4-1/8"
350 pound capacity per caster
Wheel tread hardness: Durometer Shore 90D (+/- 5)