Have a big project coming up that you need to bind, but you don't have the exact screw post size for it? That's where we come in! Screw posts extensions are a great way to make sure everything fits and works perfectly. We have aluminum extensions in lots of different colors: classic silver, antique brass, sleek black, and shiny gold. Screw post extensions can go up to 1" in length. Screw posts are used in lots of different projects, whether professional ones or hobbies. You'll see them on swatch books, portfolios, photo albums, and more!