We wanted to do something different with the stair railing. We did not want to go to the Home Depot and get the stuff. We saw a friends railing and took it and improved on it. We have had it in place for several years and it has not loosened at all. I used true 2x4 oak and then put 3/4inch cooper pipe class M for looks and also so I would not get any movement such as warping. I love Ryobi tools and that is all I own.