Pressure fit installation design makes installing easy. No fasteners needed. Low profile offers sleek appearance. Can be installed with any asphalt, tile, or metal roof system. Drip lip reduces tiger striping. Tested to handle the heaviest of rainfall and wind shear - up to 40" per hour. High-impact powder-coat finish reduces scratching and cracking. Fits 5" K-style gutters. 5" W. x 4' L.