Use these strong stainless steel hooks to hang window boxes and baskets without making holes in your vinyl siding. Simply slide the hook up under the siding and pull back until it grips the siding. To remove the hook, pull it up and slide it out. Each hook holds up to 12 lbs. No tools required. Easily removable. 2 hooks in each pack. Each measures 4.25" long x 1.25" wide.