The TPHD Aluminum Glad Hand Straight 1/2 Inch NPT Blue Service is a reliable and practical product that includes a rubber seal for enhanced performance. Designed with durability in mind, this glad hand ensures a secure and efficient connection between the tractor and trailer air brake systems. Its 1/2 inch NPT size and blue color make it easily identifiable and compatible with various applications. With its high-quality construction and convenient features, this glad hand is a must-have for any transportation or industrial setting.