Coupler, Connection Size 1: 2 in, Connection Type 1: Type C, Connection Size 2: 2 in, Connection Type 2: Hose Shank, Aluminum, 1.71 in ID x 3.94 in OD x 5.53 in L, Maximum Operating Pressure: 250 psi, Additional Information: 2.15 in Exposed Length, 7.54 in OD Cam Arms Extended, 1.370 lb Weight, HBS 300 Series Stainless Steel Cam Arm