The TOUGHEST and MOST VERSATILE roofing bracket in the world. NEW enhanced features to exceed OSHA requirements Features Benefits Versatile Instantly adjusts from 18 to 90 degrees Adjusts to every pitch from 3/12 to 25/12 with a simple turn Accommodates board thickness ranging from 1-¾" to 2-½" Single piece industrial grade height adjustment crankshaft, built to exacting architectural performance standards Superior Quality Made with high-grade steel Powder coated with durable anti corrosion paint Zinc plating windings to prevent corrosion and rusting Industrial grade u-channel elevator bars Upgraded riveting of pivots and riser connections Certified to meet OSHA requirements Convenient Quick installation and removal Adjustable while in use Use a drill with Phillips or Robertson bit to adjust bracket slope angle Dependable Two holes in end of bracket to secure board in place Strike plate for bracket removal has been strengthened and reinforced Welded rotator handle Check out the upgraded riveting pivot, welded rotator handle and height adjustment crankshift