The G200BG full-flow blow guns feature a high quality zinc construction with a brass valve and stainless steel spring, a vinyl cover thumb grip, and a black, powder-coated finish to hide the dirt. This blow gun comes standard with 1/4" Female Pipe (NPT) inlet and a vented safety tip. The standard 1/8 thread on the tip also allows interchange with other tips offered by Green Line. A must have for any service station, repair, tire or home shop!