Description: Versatile and Practical: This 4 Garage Warehouse Shed Factory Shop Wood Board Hook Tool Storage Rack Goods Hook is designed with good hardness and toughness. High Load Capacity: Self gripping hooks can withstand up to 30kg/66lbs, preventing slippage and making it a labor saving storage solution.Easy Installation: No need for drilling during installation. These self gripping hangers increase your storage space and are suitable for home basements, garages, sheds, goods, warehouses, factories, car shops, etc.Safe Precautions: Gradually apply load to the hook; do not exceed the maximum weight of 70 lb Be awared of dynamic loads! Sudden swings or drops in load may cause temporary overload leading to product failure. Wear safe goggles during installation.Quality Assurance: Before use, check if any parts are loose or damaged; do not use if found so. Use only for its intended purpose and keep these precautions in mind. Specification: Material: Metal Color: Black Red Size Chart: Total Length18cm/7.09inch Clampable thickness 46mm Package Includes: 4Self Gripping Hangers Note: Please allow slightly errors 1-2cm differences due to manual measurement.