Air blow guns standard rubber tipped"tru-flate" epoxy finish - carded Oil resistant, soft replaceable rubber tip. Will not mar delicate surfaces. Ideal for leak proof seal against oil passages, fuel lines and carburetors when air pressure is needed for cleaning. Allows full line pressure to be used. Includes 1/4 inches female NPT inlet. To comply with OSHA regulations standard blowguns must be used on a regulated air line with a pressure setting not to exceed 30 PSI.