The No-Hole Origional Hook is the perfect solution for adding decorations to the vinyl siding on your home, it has a flat design and is best used to hold a wreath or similar item. Simple to use, you just roll the hook into any seam in the vinyl siding. The hook is stainless steel so it won't rust or stain the siding. There are 2 hooks per package. Hooks are approximately 1-3/4".