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/35.3ozColor: blueGluing capacity: 310ml (applicable to capacity of 310ml and below)Glue type: hard glueWorking pressure: 6barSize: 270*260mm/10.6*10.2inchOuter Diameter: 54mmInner Diameter: 50mmApplicable size of glue bottle: within 50mm in diameter and 200-230mm in length.Package List:1* Glass Glue Gun1* Air Pressure Regulating Valve1 * Extended Nozzle6 * Spray Adhesive4 * 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.