Amitronics Private Limited manufactures Glass Stems for Holding Electron Gun. Amitronics Private Limited is an ISO 16949: 2002 and ISO 9001:2000 registered company. Glass Stems for Holding Electron Gun is used to bring the electrical connections from inside the picture tube. The lead glass tubing of Glass Stems for Holding Electron Gun is cut for the exhaust tube and for the header ring. It is available in the ranges from 7 to 12 pins used for tubes with diameter 13 mm to 46 mm.