Hello Dazed and Confused,
Thank you for your question on the Delta Premium 5-Setting Shower Mount Hand Shower and I am happy to assist you with this today.
This hand shower has a mount which can be screwed on to the existing shower arm on the wall where your plumbing is installed.
I hope this information is helpful and if we can assist you with anything further, please feel free to give us a call on our warranty line at 800-345-3358 and we will be happy to help you.
Delta Faucet Company
Date published: 2017-12-04