The Exotac nanoStriker XL is high quality, ultra-small in size and completely self-contained Firestarter. Its unique all-in-one design puts all the tools you need to start a fire into one tiny package. At the end of the day, this little tool can be collapsed and returned to key-chain ballast duty. These units are made with a lightweight anodized 6061 aircraft aluminum body and have a Tungsten carbide striker, and have a replaceable Ferro Rod that can be unscrewed from the unit and replaced with a new one (#12084). The nanoStriker XL weighs 0.8oz. and measures 3-5/8" long closed, with a ferro rod that measures 1-1/2" long x 1/4".