1. RELIABLE SAFE Ladder Stabilizer enhances stability when working in the extended position. It can stably support the ladder around windows, rain gutters and other obstacles to prevent the ladder from shaking and improve , providing reliable support in heavyduty applications. 2. STABLE PREMIUM STRUCTURE Ladder Roof Hook are made from highquality and heavyduty steel, making them strong and durable. The smooth surface ensures protection against rust and corrosion. Suitable for a variety of industrial or residential construction jobs. 3. DESIGN The feet of the Roof Hook Ladder Arms with AntiSlip Rubber Feet are equipped with professional large nonmarring rubber end caps to prevent slipping and protect wall paint and roof tiles from being crushed. The dual fixed structure is more stable and secure than other similar products. 4. EASY TO INSTALL DISASSEMBLE ladder standoff comes with detailed instructions and installation wrench for easy installation and removal. Adjustable hook and Ubolt make it suitable for most ladders.