The Arrow Fastener Dual Purpose Stapler is perfect for most home projects as it shoots both round and flat crown staples in T20 and T25 sizes. It also features a built-in height adjustment guide for quick reference. The staple gun is jam resistant making it ideal for cable and many other projects such as wire， shelve lining and fixing upholstery. This stapler has a durable chrome finish shine and a handle that is simple to squeeze for those jobs that require rapid fire use.