bayite Survival Drilled Ferrocerium Rod Flint Fire Starter Kit with Paracord Landyard 5 Inch Large 9ft Paracord included No Striker Included Don't use bad quality Knife as striker. Otherwise it will not produce enough sparks due to insufficient hardness of blade Ferrocerium Rod Length:5"(13cm). Diameter: 1/2"(12.7mm)