<p>Rigid design, hinged backbone, and flexible tab design straightens all uneven framing members. Adjustable to any angle and installs in minutes. Eliminates ceiling cracks</p> <ul><li>Size : 4-1/2 x 10' per roll </li><br /><li>Roll consists of 10 - 10' lengths</li><br /><li>Eliminates pre-filling or pre-straightening by finisher when ceiling members are not in alignment</li><br /><li>Quick installation