24\" Flexible Cable Allows Access to Clamps Difficult to Reach with Other Tools. Specially designed cable assembly with spring helps prevent cable breakage from over tightening. Tool is very strong and will work on even the most stubborn clamps.For use on clamps found on radiator hoses, heater hoses, and fuel lines. Simply squeeze the handles to expand and hold hose clamps in any open position. Expands hard-to-reach flat-band and Mobea-type hose clamps safely and easily