Service Caster #20 Series 7/16 inch grip ring stem swivel casters with 4 inch nylon wheel and 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"
Grip Ring Stem: 7/16" x 1-3/8"
Mounting Height: 5-1/8"
300 pound capacity per caster
Wheel tread hardness: Durometer Shore 75D (+/- 5)