lever assembly 50 is designed for air brush users who must use the air brush apparatus 10 for long extended periods of time and helps these users fight fatigue the moving hinge 180 is integral to the top of the air valve assembly 40 and controls the air valve assembly 40 which controls the flow of paint for the air brush apparatus 10 the entire lever assembly 50 is housed and situated above and within the shell assembly 30 fig5 depicts a third novel feature of the air brush apparatus 10 which is the shape and design of the shell assembly 30 a cross section of the shell assembly 30 is depicted in fig5 the cross section shows a base part of the paint regulating needle adjusting protrusion 220 along with the narrow pathway 100 in the handle assembly 60 the top of fig5 shows the top of the shell assembly 30 in addition to the lever handle 150 and the rubber end of the lever handle 190 note that the inner shape of the handle assembly 240 is round however the outside surface of the handle assembly 250 is a rounded off square shape enabling the user of the air brush apparatus 10 a comfortable and stable grip use of the air brush apparatus 10 is uncomplicated.