This is a macroline 90° fitting for all standard paintball guns. Nickel plated brass. This is the highest quality air line fitting made for paintball and guaranteed to work! Includes liquid plumbers tape pre-seal so no teflon tape is needed for install. This includes easy slide in and push release for standard macro line hose. Fits all standard 1/8 NPT ports for regulators and bottomline ASAs and On Offs.