[Material]: high quality brass GB， using international advanced gravity casting process， the precision machinery manufacturing， natural， durable. [Spool]: the use of high-grade precision valve， with diamond-like hardness， comfortable light， withstood more than 500，000 times the speed limit switch test still operate smoothly and effort， watertight. [Surface]: the use of advanced fine polishing and electroplating process， after acid copper， nickel， chromium (outermost layer) multi-coating， plating layer with good adhesion fine， uniform color， excellent corrosion resistance， bright surface gloss and durable.<p><span style="line-height:1.5;"></span><img src="//agdetail.image-gmkt.com/m430/487/704/831704487/img/agdetail.image-gmkt.com/487/704/831704487/img/image.dhgate.com/0x0/f2/albu/g4/M00/4A/B4/rBVaEVc1tsWAZBO9AAE5Ty9Yyjk687.jpg" style="line-height:1.5;" /><P><img src="//agdetail.image-gmkt.com/m430/487/704/831704487/img/agdetail.image-gmkt.com/487/704/831704487/img/image.dhgate.com/0x0/f2/albu/g4/M01/CC/F5/rBVaEFc1uc6ADJXbAAE23lgw9hc719.jpg" style="line-height:1.5;" /><P><img src="//agdetail.image-gmkt.com/m430/487/704/831704487/img/agdetail.image-gmkt.com/487/704/831704487/img/image.dhgate.com/0x0/f2/albu/g4/M00/DF/79/rBVaEFc1udCAcTRAAAD1QX-d9xw329.jpg" style="line-height:1.5;" /><P><img src="//agdetail.image-gmkt.com/m430/487/704/831704487/img/agdetail.image-gmkt.com/487/704/831704487/img/image.dhgate.com/0x0/f2/albu/g4/M00/D8/DB/rBVaEVc1uc6AFMEzAADQnL-2yAI572.jpg" style="line-height:1.5;" /><P><img src="//agdetail.image-gmkt.com/m430/487/704/831704487/img/agdetail.image-gmkt.com/487/704/831704487/img/image.dhgate.com/0x0/f2/albu/g4/M00/92/E0/rBVaEVc1uc6AGxsrAAEkL0S_BEc926.jpg" style="line-height:1.5;" /><br /></p>