The attachment hooks are intended for a framed shower door, and are not adjustable. My use was also for a frameless glass shower door. It works, but isn't very attractive.
•4.75 in. x 17.75 in. x 22.5 in.
The towel rack has a depth of 4.75 inches.
We used this on a standard door. The "shower door" moniker is misleading.
Yes.
Yes, you can use the towel rack over a thick shower door.
Yes, we used it on a regular door. The "shower door" description is misleading.