Listing is for one (1) Service Caster Series #92 swivel caster with a bolt on swivel lock and a 10″ diameter, 3″ wide semi steel cast iron wheel. Supports 2500 pounds (lbs) per caster.When searching for a reliable and durable solution for extra heavy duty projects in high temperatures, consider Service Caster’s Series 92 top plate semi-steel cast iron casters. Semi-steel cast iron provides a long lasting, high capacity wheel capable of easy rolling under heavy loads. These cast iron based wheels feature a machined hub and wheel face. An economic choice over steel, semi-steel wheels are abrasion resistant and rugged while also having the capability to perform in temperatures up to 600 degrees Fahrenheit. Featuring a Kingpinless hot forged ASTM1045 steel design that increases caster durability and integrity, the series 92 eliminates problems associated with kingpin failure due to severe shock loading. In addition, the Kingpinless design features 1⁄2” diameter HRC45 steel ball bearings which absorb thrust and load in severe environments. Lastly, Service Caster’s Series #92 top plate casters are finely crafted with zinc plating, grease fittings, and 4 position notches to accept 4-position locks. These highly versatile casters are ideal for a wide range of applications, such as dollies, platform trucks, warehouse carts and freight terminals. Even drywall carts, welding carts, and wall panel carts will be ready to roll on the Series 92, keeping you moving forward. Service Caster is unsurpassed in quality, reliability, and excellent customer service. Count on us to move you forward.