Update your semi with a seamless coupling of the service and supply air lines, with the Phillips 90° Emergency STA-LOCK™ Cast Iron Swinger Glad Hand that ensures you're Ready for the Road Ahead™. This replacement coupling allows for a fast and easy disconnection from air lines, without any need for specialized tools or advanced skills. Engineered with a durable design to tolerate extreme air pressure. FleetPride is your First Click in Heavy Duty®.