This ferrocerium fire-starting Flint Striker from Coghlan s lasts for thousands of strikes and will start fires in any weather or altitude. Fireproof in solid form the tool works just as well when wet. It includes handle striker fire-starter rod and cord. The rod has a 5/16-inch diameter and measures 3-7/8 inches long. Coghlan s makes the outdoors more comfortable and enjoyable with over 450 accessories for camping hiking fishing and RVing -- from cooking gear to first aid kits insect netting firestarters tent repair and more.