This ferro-cerrium fire-starting tool lasts for thousands of strikes! Pushing the striker provided down the rod emits sparks to light combustibles. Fireproof in solid form, the tool works just as well when wet. For use in any weather and at any altitude. Includes handle, striker, fire-starter rod and cord.Specifications:- Length of rod: 3 7/8"- Diameter of rod: 5/16"Specifications and Features: Lightweight, waterproof Ferrocerium fire starter ideal for camping, backpacking, backcountry trekking, and more Lasts for thousands of strikes; starts fires in any weather or altitude 5/16-inch diameter and measures 3-7/8 inches long