This Danco Faucet Pull-Out Spray Hose connects the pull-out spray head to the faucet. It provides an upgrade over traditional vinyl hoses. It features a 3/8 in. diameter and the kink-resistant hose provides quiet operation its design will work with most faucet brands but works best with most Moen, Delta, and Oak Brook faucets that have a 1/4 in. threaded connection.