Aisster Flint Rod Fire Starter lighter Ferrocerium Stone Magnesium Survival (Pack of 30) Material: Flint (magnesium) 5/16 inch (0.8cm) in diameter 3.15 inch (8.0cm) length,Weight: 27g each rod Good things for your camping and hiking, easy to carry and quick to make a fire Outdoor experts, hunters, anglers and campers all prefer to it to make a fire. Package Contents:30pcs of Magnesium Flint