Included in kit is a pair of formed 60-inch long construction grade galvanized steel strut channel. One track has two ratchets straps with web roller assembly; other has two 1/2-inch eye-bolts. Allowing for Men"s and Women"s playing heights. Ratchet tension straps provided for both the top and bottom net cables, with upwards of 500 (lbs) input torque. Four 3/8-inch spring snaps allow for quick and secure net attachment. Unit can attach to any steel or wood post or flat surface. Customer will provide grade 8 bolts for securing to post, wall or even tree using lag bolt screws. A secure mounting surface is required, able to with stand net tension and game play. Manufactured to last years, best suited where net height does not require frequent change.