GUOXING Gooseneck: The interface diameter is 9mm, it is very practical durable. Applicable to 15AK welding tch. precision manufacturing can increase the efficiency reliability of your welding tch. Solid Material: Our accessies are made of good quality metal, strong durable, which has good wear resistance high temperature resistance, can be used repeatedly. Easy to Install: The stardized design of the welding tch kit ensures the tightness of the thread connection, can make the connection of various parts me stable, with a wrench to help you install faster. Wide Use: Suitable f all types of flashlights f Two welding 15AK set,MB14 / 15, MB150, ML 1500, G15, SB 15, SB 150, TBI 150, ERGOPLUS 15 plus. Product description Specification: Material: Metal Size: As the picture shows. High quality metal f easy operation can improve your wk efficiency Gooseneck: The interface diameter is 9mm, it is very practical durable. Applicable to 15AK welding tch. The stardized welding tch kit design ensures the tightness of the thread connection, it can make the connection of various parts me stable. Flashlights suitable f MB14 / 15, MB150, ML 1500, G15, SB 15, SB 150, TBI 150 ect. Package Includes: It has 10pcs M6 0.8 contact tips, 4pcs cone gas nozzles, 2pcs contact tip holders, 1pcs wrench, 1pcs gooseneck. (18 PCS Welding Accessies Set) Note: Please allow 1-3 mm err due to manual measurement.