Listing is for 1 (One) Service Caster 4" x 1-1/4" Thermoplastic Rubber on Polyolefin core caster wheel for smooth rolling and quiet operation.
250 pound capacity per wheel
Ball Bearing with 3/8" bore for axle
1-9/16" Hub Length
Tread hardness: 70 +/- 5 Shore (A) Durometer
Gray non-marking soft thermoplastic rubber tread mechanically bonded to polyolefin core.
Thermoplastic rubber is highly resistant to oil, grease, water, and most solvents.
An excellent choice for clean environments.