Feature: Broad Compatibility: Fits ladders with a width of ≤16.73'' and a step length of ≥11.02''. Compatible with various types of ladders—wood, fiberglass, or aluminum. Crafted from high-quality steel for durability and stable support. Safety Design: Column support prevents ladder wobbling. Anti-slip rubber feet reduce slipping, while the U-shaped locking clip prevents ladder detachment. The rooftop hook secures the ladder to the roof, ensuring safety throughout high-altitude tasks. Exceptional Quality: Our ladder stabilizer is built to last, resistant to deformation and twisting, so you can perform high-altitude work without worrying about weight capacity or structural integrity. Easy Installation: Comes with a complete set of installation accessories, allowing for quick setup without complex tools or procedures. Get it up and running immediately upon arrival. 330 lbs High Load Capacity: Supports up to 330 lbs, providing robust safety for your work. Rubber anti-slip feet ensure stability even on wet surfaces, minimizing the risk of accidents. Package Content: Ladder Stabilizer x 1 M8 Anti-Loosening Nuts x 8 M8 x 50 External Hex Screws x 2 M8 x 45 External Hex Screws x 2 U-Shaped Locks x 2 Open-End Wrenches x 2 Rubber Feet x 2 User Manual x 1