What the stability of an inground basketball system without the commitment? The In-ground basketball system ground sleeve permits easy removal of base pole from cemented section. Simply slip the pole into the ground sleeve, and a locking tab will secure it into place. To remove pole, just removed locking tab and slide the pole out. The ground sleeve allows the rigidity of an in-ground pole while being removable for storage. Constructed in powder coated steel with dimensions 16" long x 3.5" diameter. So when it's time to move the herd to a new location, moving your basketball system is an easy process.