Some plastic and metal but works for what we needed

This item is perfect match to my new bathroom and hold Claremont Hand Shower which I bought from Wayfair.com. Everything works as needed. Good quality

Purchased this along with an arm to attach the hand shower Works as expected

I was surprised to receive a Grohe fitting (which was not cheap) to learn that it was largely made of plastic. I expect Grohe to be durable. This does not appear to be durable.