Durable industrial style heated spray handgun is made to plug directly into an automated rectangular connector hose for Nordson® 2300/3000/ProBlue® and DuraBlue™ melters. Handgun is made for spray/swirl applications. Handgun is the lightest weight on the market and has an ergonomic 4 finger trigger for easy operation. Locking mechanism keeps glue trigger safely secured when handgun is not in use.