DANCO Reduced-Lead, Durable Brass Hot and Cold Water Stem for Sterling Faucets, 10L-1H/C, 1-Pack (15420B) This product is contructed of durable brass, meaning it was built for longevity, durability and reliability. Designed to fit Sterling OEM Models: 10-000(N-602), 12-000, 13-000, 105-21, 115-21, 125-21 and 135-21; with an ID length of 10 and an L broach. Perfect for hot and cold water applications. This product DOES include a faucet seat with your purchase. This product is in compliance with the Reduction of Lead in Drinking Water Act.