Commercial strength rubber supports promote root development Straps are flexible allowing the tree to sway naturally Hooks can be removed from stake for trimming/mowing Straps are 1/4-inch x 64-inch (4.5-foot), with 11-inch stakes For trees up to 1-1/2 inches in diameter, includes materials for 3 individual anchor assemblies Commercial strength rubber supports promote root development and installs in just minutes! Tree Saver stakes are good for root development because the straps are flexible allowing the tree to slightly sway naturally. This signals roots to spread for the correct stability as the tree matures. Allows trees limited sway for better root development. Labor saving, installs quickly. Hooks can be removed from stake for trimming/mowing. Bulk kits consist of higher density elastic supports. So easy to install in just a few steps: place strap around the tree and pull it at an angle to the ground to mark where to put the stake. Drive the stake into the ground, then attach a hook to the strap at the desired tension using the wrap method on the enclosed instructions and then just connect the strap to the anchors.