Duramount, Zinc Plated Steel, Power Tool Hook, Designed To Organize Lawn Trimmers, Bottom Hanger Stores Electrical Cords & Trim Lines, Folds Flat, Mounting Icon-Rail/Slat Wall/Screw-In, Safe Working Load Is 25 LB On Duramount Rail & Slat Wall, 30 LB On Solid Wall Surface Based On Anchoring Stud.