Listing is for one (1) Service Caster Series #20 swivel caster with a 4" diameter by 1-1/4" wide polyolefin wheel and 1/2" diameter x 1-1/2" length threaded stem. Supports up to 300 lbs. per caster. AP263270 263270 replacement part fits a variety of food service applications. When searching for a reliable and durable solution to your AllPoints replacement caster needs, consider Service Caster Series 20 threaded stem polyolefin wheel casters. The Service Caster Series #20 features polyolefin wheels that have a high resistance to shock and impact damage while also being non-marking protecting floors. Finely crafted with a bright zinc plated finish and heat-treated ball bearing raceway, these Service Caster high performance AllPoints replacement casters offer polyolefin wheels that are best used on smooth, flat, and clear industrial or commercial settings where materials may be stationary for long periods. These versatile casters are ideal for a wide range of applications, but are commonly used on variety of food service applications. Service Caster is unsurpassed in quality, reliability, and excellent customer service. Count on us to move you forward.