The COLO Gema GM03 Spray Gun Flat Nozzle is a true professional unit featuring an easy and efficient system to provide the best performance and value. The revolutionary design is based on COLO decades of experience as a industrial powder coating pioneer. WIth COLO powder coating guns and apre parts It is the perfect tool for all types of powder coatings jobs, from projects with hard to reach areas like wheels and frames to valve covers and even metal artwork.