The T&S Brass B-18KNS is a 4-Arm Lab Handle Kit designed for durability and ease of use in laboratory settings. This kit includes two four-arm handles for enhanced grip and control, along with two handle screws for secure installation. It features a red index button for hot water and a blue index button for cold water, ensuring clear identification for safe operation. Ideal for upgrading or replacing existing faucet handles, this kit combines functionality with reliable performance.