Kayak Garage Storage Hooks, Heavy Duty Wall Mount Utility Hook, 15Inches Kayak Storage Hanger with Nylon Safety Straps Securely Hold Your Boat In Place. Package Including: -- 2 x Garage Storage Hooks -- 4 x Screws -- 4 x Expansion Tube Size: -- H x L: 10.8Inch/27.5cm x 15.5Inch/39.5cm, Inside Wide: 13Inch/33cm -- Load Copacity: 150LBS/68KG Installation Instructions: 1. Choose and mark the postion for installation. 2. Use the driller to drill hole on the wall according to the size of the expansion anchors. 3. Insert the drywall anchors into the hole and put the hook on the wall. 4. Use the screw driver to tighten the screws on the hook.end of installation.