Handles 50 ml 1:1 and 2:1 Dual Cartridge Poxy: Industry standard dosing gun for 50ml dual cartridges. No drip, impact resistant hardened plastic housing, lightweight and extremely durable. Easy insertion of the cartridge into the housing. Apply epoxy, resins and polyurethanes. 1:1 or 2:1 Universal Ratio, can be used with DMG, 3M, etc. High quality and durable silicone rubber material. 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 blowback gun (includes built-in dual piston that works equally well for 1:1 and 2: 1 cartridges) Easy loading and use of the cartridge, double pressure grip plate, tension release thanks to the plastic arm. Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.