The PT Coupling 1000330UL2 is a 3-inch Sta-Lok II undersize cam and groove coupler with a Type C connection on one end and a 3-inch Hose Shank connection on the other. Constructed from aluminum, it measures 2.65 inches in inner diameter, 5.46 inches in outer diameter, and 6.32 inches in length. The coupler features SLS 316 Stainless Steel cam arms that utilize the proprietary Sta-Lok II system for a secure lock, with a 2.27-inch exposed length and an extended cam arms diameter of 9.56 inches. With a maximum operating pressure of 200 psi and Coast Guard ASTM 1122-87 approval, it is suited for agriculture, construction, oil and gas, mining, transportation, and railroad applications.