with thumb stopper and high visibility white line for diving dive finger reel 20/30/50m guide line spool for scuba diving dive finger reel 20/30/50m guide line spool for scuba diving 15m smb scuba aluminum diving spool finger reel at banggood mooring line正式谷歌翻译是系船浮筒(希望这次谷歌是翻对了的!).