Features: brand new and high quality. EASY OPERATION: Simple operation, labor saving, high efficiency; no glue overflow, no air leakage. MATERIALS: Made of high-quality plastic & metal materials, practical and durable. PLEASE NOTE: Before using the air pressure regulating for valve of the worktable, please test whether the air pressure is normal, ventilate and adjust the pressure regulating button to ensure that the air pressure reaches 6bar. Aluminum alloy front and back cover, strong and durable, when placing the micro cylinder, please tighten the front and back cover to prevent air leakage. TRIGGER DESIGN: Trigger switch, trigger design, many contact surfaces, good controllability, humanized design, convenient operation and grasping. WIDELY USED: Fit for architectural decoration, fish for tank, solar energy, electronic appliances, auto parts. Specifications: Material: Plastic & Metal Size: Mixed Size Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Pneumatic Sealant Gun