fine tungsten ring with ceramic 1.direct factory product 2.excellent quality 3.favorable price 4.OEM are welcome 1:Materials:Grade 2 titanium, 316L stainless steel ,Tungsten , Ceramic , Liquid titanium, Silicone, Lava rock stone For choosing 2:Color: Sliver, Full gold, IPG plating gold, Gun, Black( Ion plating , won’t fade in 3years) 3:Size: Width:4MM,4.5MM,55.5MM,6MM,6.5MM,7MM,7.5MM,8MM,8.5MM9MM ...