High quality material. Dispensing Gun is Made of high quality polymer engineering plastics and metal accessories, lightweight design, flexible in operation and durable.Function. Designed for smearing or dripping various twocomponent adhesives or coatings, it can solve the twocomponent adhesive products mixed uneven problems.Perfect design. Shape design based on the physics principle, which is stable structure, laborsaving and convenient, and Smooth internal structure design, will not clog up.Easy to operat. The cartridge can be slid in and held firmly in place with a lever, and squeezing the handles together can dispense mixed adhesives smoothly, easy to assemble and disassemble.Usage. Suitable for 50ml 1:1 & 2:1AB type Glue Cylinder Gluing. Suitable for glass, gemstone, ceramic, wood, thermoset composites. Suitable for most metals: iron, aluminum, copper, zinc, electroplated metal.