Product Info: - Part: A/C Hose Assembly - Material: Aluminum, Rubber - End 2 Type: Fitting Block - End 1 Type: Fitting Block - Hose Shape: Molded Assembly - End 2 Inside Diameter: 0.619685 inches / 15.74 millimeters - End 2 Outside Diameter: 0.7503 inches / 19.06 millimeters - Inside Diameter: 0.311811 inches / 7.92 millimeters - Outside Diameter: 0.