BLUE Angled bottomline ASA adapter. Compact design angles your tank to minimize liquid CO2 drawn into your marker during rapid firing. Deluxe 2-Hole Bottom Line Tank Adapter from 32 Degrees. Will fit most common grip frames. Precision machined aluminum, with bright BLUE finish. Features dual 1/8" NPT tapped holes so you can install hose (NOT included) and a gauge (NOT included). The second hole is plugged and there is a safety bleed hole for safe removal of your tank. Mounting holes are counter-sunk and comes with mounting screws. Hose, fittings and instructions NOT included.