EASY-TO-USE SPRING DRILL FIRE STARTER KIT How it works - Continue to drill the fireboard vertically with the wrapped end of the bamboo handle until it produces smoke by friction, then light the fire. This method enables quick fire initiation and teaches a primitive fire-start technique. Materials and construction - Spring and handle: high-quality bamboo with a smooth surface that will not hurt your hands. - Fireboard: high-quality paulownia wood with 10 holes. - Rope core: inner core uses 7 high-strength polyester cores for strong bearing capacity and good wear resistance. Durability and assembly - Thickened high-quality wood, paired with high-carbon steel bearings and ropes; the number of turns can reach more than tens of thousands. - Pre-assembled and ready to use on arrival; includes jute kindling so you can start using it immediately without assembly. Benefits and applications - A reliable fire starter survival tool for scouts or outdoor explorers to train and teach; also a solid outdoor training tool that can cultivate patience, persistence, attentiveness, concentration and outdoor emergency survival ability. Use scenarios - Camping or backpacking trips to start a fire in challenging conditions. - Scout or outdoor training sessions to demonstrate and practice primitive fire-start techniques. - Emergency preparedness drills or wilderness survival practice. Service guarantee - Your satisfaction is our top priority. If you are not satisfied or have questions, please contact us via Amazon message at any time.