This base works great. You connect to twin XL bases to make a split king. It comes with bars to connect to the beds don’t pull apart. However, you do need twin XL mattresses with us and it’s difficult to keep those mattresses from pulling apart. Even if you use king size bed sheets. I think what would keep your mattresses from pushing a part in the middle would be a good bedframe. Overall we are very satisfied with this bed. It’s heavy and solid and the installation was pretty easy, only needed to install the legs which screwed right in.