The most stable flint tool is the most primitive flint - flint for outdoor survival <br />Scrape the new flint for several times to remove the black oxide layer before firse use <br />Scrape one end of the magnesium rod rapidly with the blade by about 45 degree， making sure the blade is vertical to the scraping surface. Only in this way can the sparks be produced to lighten the magnesium<br />Material: Magnesium， diameter: 4.5mm， length: 45mm <br /><br /><br />Material: Magnesium<br />Diameter: 4.5mm<br />Length: 45mm  <br /><br /><br /><br /><img src="http://img6.eachbuyer.com/x16/p53/bf1030_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x16/p53/bf1030_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x16/p53/bf1030_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x16/p53/bf1030_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x16/p53/bf1030_5.jpg" />