1Made of high quality aluminum alloy, solid and sturdy, durable for a long time use. 2Simple operation for labor saving and high efficiency. 3No glue overflow, no air leakage. 4Suitable for large area continuous operation. 5Widely used in building decoration, fish tank, solar energy, electronic appliances, automotive components, etc.Features: Made of high quality aluminum alloy, solid and sturdy, durable for a long time use. Simple operation for labor saving and high efficiency. No glue overflow, no air leakage. Suitable for large area continuous operation. Widely used in building decoration, fish tank, solar energy, electronic appliances, automotive components, etc. Specification: Model: KP-442 Material: Aluminum alloy Weight: 1433g/50.5oz Glue Type: Soft Glue Glue Capacity: 300-600ml Inlet interface: 1/4" Working pressure: 6 bar Size: 460*295mm/18.1*11.6inch Package List: 1 x Pneumatic Glass Glue Sealant Gun 1 x Air pressure governor valve 1 x Air Inlet Interface 8 x Caulking Head