Was very easy to put together. Came with an allen key and no other tools were required. I understand why people are concerned about long-term sturdiness because there is only one screw at the bottom of each towel bar, and a short one at that. However, I'm a fan of both form and function and this satisfies both. The base, itself, is quite sturdy. The measurements are accurate and fits nicely between the vanity and tub.