Earl's Black Econ-O-Fit Hose Clamp 900512ERL. Econ-O-Fit Hose Clamp, Econ-O-Fit Size 12, Econ-O-Fit I.D. 15/16", Fits Perform-O-Flex/Auto-O-Flex Hose Size 12, Hose I.D. 11/16", Fits Heater Hoses. Econ-O-Fit is the original anodized aluminum hose clamp cover.
