Features Widely used in building decoration, fish tank, solar energy, electronic appliances, automotive components Simple operation for labor saving and high efficiency; No glue overflow, no leakage; Suitable for large area continuous operation. With the table pressure regulating valve, please test whether the pressure is normal before working, ventilate, adjust the pressure regulating button to ensure that the pressure reaches 6bar. Aluminum alloy fixture, fixed by two screws. Guaranteed durability and easy removal. Aluminum alloy front and rear cover, sturdy and durable, when placing the micro-cylinder, please tighten the front and rear covers to prevent leakage. Features: Widely used in building decoration, fish tank, solar energy, electronic appliances, automotive components Simple operation for labor saving and high efficiency; No glue overflow, no leakage; Suitable for large area continuous operation. With the table pressure regulating valve, please test whether the pressure is normal before working, ventilate, adjust the pressure regulating button to ensure that the pressure reaches 6bar. Aluminum alloy fixture, fixed by two screws. Guaranteed durability and easy removal. Aluminum alloy front and rear cover, sturdy and durable, when placing the micro-cylinder, please tighten the front and rear covers to prevent leakage. Trigger switch, trigger type design more contact surface, better control, reflecting humanized design, easy to operate and grasp Specification: Product model: KP-441 Glue type: hard Bucket capacity: 310ml Adjustable main size: 19-23mm Inlet port: 1/4" Working pressure: 6bar Weight: Approx.1067g/37.6oz   Package list: 1 x Pneumatic Glass Glue Sealant Gun Package List