VEVOR Ladder Stabilizer, Adjustable Feet Extension Ladder Standoff, Heavy Duty Wall Ladder Accessories for Roof Gutter, Easy to Use & Wide Adaptability & Anti-slip Rubber Feet, 330 lbs Weight RatingProduct Features Broad Compatibility Fits ladders with an outer width of 11. 81'' to 17. 32''. Compatible with various types of ladders wood, fiberglass, or aluminum. Made from high quality steel for durability and stable support. Safety Design Anti slip rubber prevents slipping, and the included tool tray makes it easier to access tools while working at height. The D ring securely locks the ladder to prevent detachment, ensuring safety throughout