Features: Made of high quality material, solid and sturdy, durable for a long time use. Simple operation for labor saving and high efficiency. Fast exhaust and no glue overflow, uniform glue, you can adjust the speed of glue. The exhaust valve can reduce the overflow of the adhesive to the minimum. Widely used in photovoltaic, solar modules, bathtubs, fish tanks, building decoration, glass doors and Windows, electronic appliances, cars and auto parts, ships and containers and other industries. Specification: Weight: 1000g/35.3oz Color: blue Gluing capacity: 310ml (applicable to capacity of 310ml and below) Glue type: hard glue Working pressure: 6bar Size: 270*260mm/10.6*10.2inch Outer Diameter: 54mm Inner Diameter: 50mm Applicable size of glue bottle: within 50mm in diameter and 200-230mm in length. Package List: 1* Glass Glue Gun 1* Air Pressure Regulating Valve 1 * Extended Nozzle 6 * Spray Adhesive 4 * Blown Film . Note : Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.