The Climbing Holds are easy to install, D.I.Y your house, home, yard, or playground. The Climbing Holds are also weather-resistant and Intended to be mounted onto an outdoor jungle gym, playset, swingsets, or climbing walls. Is good for children active and having fun with parents. The Package included 5 different colors and 25 pieces total of the package. Also, the package comes with 50 size 53.3mm screws with T-nuts for you to install to it.