The PT Coupling 1000512 is a 1.25-inch cam and groove adapter with a Type E connection on one end and a 1.25-inch Hose Shank connection on the other. Constructed from aluminum, it measures 0.97 inches in inner diameter, 2 inches in outer diameter, and 4.9 inches in length, with an exposed length of 2.35 inches. It's suited for agriculture, construction, oil and gas, mining, steel processing, transportation, government, and railroad applications.