A Practical Automotive Repair Tool Set For Hose Clamp Removal And Hose Separation. Suitable For Cooling Systems, Fuel Systems, Vacuum Lines, Heater Hoses, Water Pumps, And Intercooler Hoses. Durable Carbon Steel Construction, Suitable For Various Ring-Type And Flat-Band Hose Clamps, With A Maximum Opening Of About 1-3/4 Inches.