The Lisle Corporation Flexible Hose Clamp Tool, No. 17300, is a 24" flexible cable ideal for use on clamps found on radiator hoses, heater hoses, and fuel lines. The cable assembly with spring is designed to help prevent cable breakage from over tightening. The tool is strong and will work on even the most stubborn clamps, the company says. Simply squeeze the handles to expand and hold hose clamps in any open position. It also expands hard-to-reach flat-band and Mobea-type hose clamps safely and easily.