Listing is for one (1) Service Caster Series #20 stainless steel rigid caster with a 4" diameter by 1-1/4" wide high temp phenolic wheel capable of supporting 300lbs. Sleeve bearings provide a metal sleeve inserted in a wheel to rest directly on the axle.4 Inch SS High Temp Phenolic Wheel Rigid Top Plate Caster Service Caster is unsurpassed in quality, reliability, and excellent customer service. The high temp phenolic wheels- quieter than comparable steel wheels- have a high resistance to impact damage, providing protection for floors in commercial and industrial settings.
Not only are they resistant to water, oil, and grease, but because they are non-metallic, these wheels are spark proof, keeping you safely moving forward.