The 106.5 Inch Vertical By 120 Inch Horizontal J-Style Track For Single Spring Operator is a practical and efficient solution for garage door operation. With a track length of 106.5 inches vertical and 120 inches horizontal, this set includes large die-cast cable drums that prevent cables from binding or wearing prematurely. It also features 1-inch right and left-hand vertical tracks, as well as 1-inch left and right-hand horizontal tracks. The single spring with quick and easy counterbalance adjustment fits most doors 91-100 inches tall, making it a versatile and reliable choice for garage door operation.