The Power Products Male Straight Connector Dot Brass Fitting offers 60% better flow than standard compression fittings with inserts, making it ideal for most air brake applications. It is designed to provide a secure connection between two components and is perfect for the frame to axle installation and between towed and towing vehicles. This fitting is made from durable brass and is designed to withstand the most challenging conditions. FleetPride is your First Click in Heavy Duty®.