Micron engineering corporation manufactures charging guns in two models mcg-635 and mcg-952 for use in place of sockets. Some of the salient features of the charging guns are easy operation; less weariness from exertion; easy to connect/disconnect the socket from plug under high pressure; and minimum force by using line charging gun. Line charging gun is suitable for gas charging, vacuum testing and leak testing, etc applications. These charging guns are available with technical specifications like brass, ss, alloy and aluminum material construction; 1/4, 3/8 sizes; 30 kg/cm² working pressure; 40 kg/cm² resistance from pressure; feron, helium, vacuum, air, hot air etc suitable fluid; and hnbr, viton, neoprene material seals.