Handle & Stem Assembly for Service Faucet – one, individual handle and stem assembly with interchangeable hot/red and cold/blue buttons. To replace both handles on your mop basin faucet, purchase (2) of this listing. ***This parts listing is for the new style of mop basin faucet with the paddle handles. Parts will not work on the older, cross handle style mop basin faucet. Please check your mop basin faucet before purchasing replacement parts.