A must-have ladder accessory from Werner. Use the wheels of the hooks to guide the ladder into position and flip the ladder over to hook in place. Supplied as a pair. The Werner Roof Hook is ideal for anyone working on roofs or other precarious areas. Attach the hooks to the stiles of your ladder with the bolts provided. Use the wheel to help navigate your way up the roof and then flip the ladder over to hook it in place. The 45005 Roof Hook fits to most single section ladders for quick and easy conversion to a safe roof ladder. Features & Benefits: Easily stored and transported. Easy to fit.