Grex GGS1 Airbrush Grip Set Increases holding area of airbrush to provide better handling, control and comfort Reduces hand cramps and fatigue for increased painting time. Ideal for airbrush users with chronic hand problems such as arthritis Simple three piece set easily and quickly installs onto airbrush Fits Grex Genesis.XN, XD, XG, and XS airbrushes and most popular traditional double action top or side feed airbrush brands and models.