High-quality material: made of very strong, lightweight and durable plastic.Lightweight: easy to use. Capacity: 50 ml.Reasonable structure: ergonomic, simple and practical. Smooth and easy to use.Function: To apply or pour various two-component adhesives or paints, solving the problem of uneven mixing of two-component adhesive products. Applicable glue bottle: 1: 1 plastic bottle. AB Dispensing Gun. The manual dispensing gun is made of high-strength plastic, lightweight and sturdy, easy to push and stable. Lightweight and durable. Pusher operating principle: uses one-piece molded industrial plastic, super strong and robust, not easy to carry, meticulous anastomosis, well organized, easy to use.Caulking Gun Dispenser Step 1: Prepare the installation, push the push rod upwards, then push the push rod downwards first. Step 2: Insert the push rod from the front end and install it, inserting the push rod from the front end until it is fully inserted into the glue gun. Step 3: Insert the UV glue cartridge into the glue gun.Check the position of the joints and align them with the nozzles of the glue gun. If they are not installed correctly, the glue can easily leak during use.Step 4: Remove the cover from the front of the UV glue cartridge, apply the glue, remove the cover from the front of the cartridge, install the glue mixing tube, and you're ready to go. Package list: 1 dispensing gun. (Glue and other products are not included).Please note that1) Due to manual measurements, there may be an error of 1 to 2 mm.2) Due to screen differences, the photos may not reflect the actual color of the item.