The Phillips 1/2" Female Pipe Thread Gladhand Service is a reliable and durable connection plate made of cast iron. It features a lighter body made of aluminum and a positive lock for gladhand mating provided by a stainless steel ball bearing. The gladhand is keyed for emergency and service to avoid cross coupling and meets the requirements of SAE J318. This product is perfect for any application that requires a secure and reliable connection. FleetPride is your First Click in Heavy Duty®.