XIANQI 50 ml handles 1: 1 2: 1 double poxy cartridge: industrial standard dosing gun for 50 ml double cartridges. Drip-free, impact-resistant, lightweight and extremely durable hardened plastic housing. Easy cartridge insertion into housing. Apply epoxy, resins and polyurethane. 1: 1/2: 1 Universal Ratio, can be used with DMG, 3M, etc. High quality and durable silicone rubber material. Applications: Works with all major brands of glue including Loctite, Devcon, Araldite, Lord, Masterbond, Plexus and all other standard 50ml cartridges . Note: This gun is not suitable for dental or medical cartridges. If your cartridge is rounded at the back and not rectangular, this gun will not fit. Item contains: 1 x discharge gun (includes an integrated double piston that works equally well for 1: 1 and 2 : 1 cartridges) Easy loading and use of the cartridge, double pressure gripping plate, tension release thanks to the plastic arm.