[Features]: Material: The dispensing gun is made of high-quality polymer engineering plastics and metal accessories, which is sturdy and durable. Features: Reasonable and simple structure, detachable, easy to clean and maintain. Uses: Suitable for 50ml 1:1rubber cartridge coating. Suitable for glass, gemstones, ceramics, wood, thermoset composites, for most metals: iron, aluminum, copper, zinc, plated metals. Installation: 1) Push up the metal rod on the back of the glue gun; 2) Press and hold it, fully insert the push rod; 3) Align the position, install the hose; 4) Put down the clip. Product name: glue gun tool Color: subject to the main picture Packing list (available after purchasing an item): Glue gun tool x1 beg to be excused: 1. Due to the long shipping time, the item may be damaged during the transportation, if the item is damaged, please leave us a message through the official website immediately before leaving a comment, and I will solve the problem for you. 2. Due to manual measurement, the size may have an error of 1-3cm. 3. Color may vary by monitor.