Update- 2 years old and is rusting -I was having my pool deck replaced and decided to add the pool railing. The contractor made a jig on wood adding the bolts and then buried it before the concrete was poured. Otherwise, the bolts would have had to been drilled into the concrete. The railing came with the bolts, and the removable gripping sleeve. The contractor had me purchase longer bolts and added nuts to fit the 4 inch concrete pour. It has been a game changer for me getting in and out of the pool. I am in my 60's and it is an added safety feature. It is only 3 months old, and I am noticing water rust spots starting to form on it which I am able to wipe down with stainless polish but thought if made for the outdoors it should not be doing this. My advice is to make sure you measure correctly. Depending on if you have a trim on your pool deck-I had to get the longest one offered 55\" to hang over the pool steps and be secured into concrete and NOT the pool edging.
David Sawtelle 
