DANCO Reduced-Lead, Durable Plastic Cold Stem for Milwaukee/ Universal Rundle Faucets, 4S-2C, 1-Pack (17242B) This product is contructed of a durable plastic, meaning it was built for longevity, durability and reliability. This stem is compatible with Milwaukee faucet sink and lavatory models K6380, 81 K6240, 41 universal Rundle 86381-2 and 86240-2 and has an ID length of of 4 and a S broach. Perfect for cold water applications. Included with this purchase is a bonnet. This product is in compliance with the Reduction of Lead in Drinking Water Act.