The factory Gandour is 1 / 8, 1 / 4, 3 / 8, 1 / 2,3 / 4 and hexagon copper plug, extensive use of this product, as long as the same thread, uses the same can be generic. For the pneumatic, plumbing, auto parts and so on, the main purpose is to block. At the same time we can also according to customer request processing various types of copper, iron, aluminum, stainless steel, stainless steel, iron and other metal parts. If necessary, please contact me: QQ1007267708, telephone / Fax: 0575-87651982, mobile phone: 13216855732, Ms. chen.