Feature:&nbsp;<br style="color: rgb(0, 0, 0); font-family: &quot;sans serif&quot;, tahoma, verdana, helvetica; font-size: 12px;">A rare metal.&nbsp;<br style="color: rgb(0, 0, 0); font-family: &quot;sans serif&quot;, tahoma, verdana, helvetica; font-size: 12px;">Light weight: 1/2 lighter than iron;&nbsp;<br style="color: rgb(0, 0, 0); font-family: &quot;sans serif&quot;, tahoma, verdana, helvetica; font-size: 12px;">High hardness&nbsp;<br style="color: rgb(0, 0, 0); font-family: &quot;sans serif&quot;, tahoma, verdana, helvetica; font-size: 12px;">Fast heat conduction &amp; High temperature resistance: 1942kof melting point, nearly 1000k higher than gold and 500k higherthan steel. Anti corrision of acid and alkali: can resist acid andaqua regia under normal temprature,&nbsp;<br style="color: rgb(0, 0, 0); font-family: &quot;sans serif&quot;, tahoma, verdana, helvetica; font-size: 12px;">Rustproof, Non-toxic, Non-allergenic: it's also called ProBiological Metal, beneficial to human body.&nbsp;<br style="color: rgb(0, 0, 0); font-family: &quot;sans serif&quot;, tahoma, verdana, helvetica; font-size: 12px;">Currently widely used in aerospace(jet engines, missiles, andspacecraft), military, industry process (chemical and petroleumproducts, desalination and paper), automotive, agri-food, medical(prostheses, orthopedic transplants and dental instruments andfiller), sporting goods, jewelry and mobile phones,etc.&nbsp;<br style="color: rgb(0, 0, 0); font-family: &quot;sans serif&quot;, tahoma, verdana, helvetica; font-size: 12px;">Material:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Titanium Alloy (GR5) (they key ring is stainless steelone)<br style="color: rgb(0, 0, 0); font-family: &quot;sans serif&quot;, tahoma, verdana, helvetica; font-size: 12px;">Length:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;87.12 mm<br style="color: rgb(0, 0, 0); font-family: &quot;sans serif&quot;, tahoma, verdana, helvetica; font-size: 12px;">Depth:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;78 mm&nbsp;<br style="color: rgb(0, 0, 0); font-family: &quot;sans serif&quot;, tahoma, verdana, helvetica; font-size: 12px;">Outer Diameter:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10mm<br style="color: rgb(0, 0, 0); font-family: &quot;sans serif&quot;, tahoma, verdana, helvetica; font-size: 12px;">Inner Space Diameter: about 6.8 mm<br style="color: rgb(0, 0, 0); font-family: &quot;sans serif&quot;, tahoma, verdana, helvetica; font-size: 12px;">Weight:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;16g<br style="color: rgb(0, 0, 0); font-family: &quot;sans serif&quot;, tahoma, verdana, helvetica; font-size: 12px;">