3 1/2" overall. Knurled black aluminum casing with composite flint steel magnesium rod that is easy to use and provides tremendous fire starting power. Features an O-ring channel that will prevent the O-ring from sliding around. Built-in 440C stainless striking blade can be used as a life saver if separated from knife or pack. Weighs only 1. 6 oz. A must have for outdoorsmen, campers, hikers, hunters, kayakers, pilots and fishermen. Hang packaged.