Stanley JFFHC4 Proto 4 Piece Locking Hose Clamp Pliers Set Complete unique locking coolant system pliers set is ideal for oneperson replacement of radiators cooling lines etc. Locking wafflenose hose clamp pliers to access/open hard to reach flat band hose clamps (7inch and 9inch). Locking hose pinchoff pliers to pinch and lock closed vent/radiator/vacuum/fuel hoses/lines (7inch and 9inch). Packaged in sturdy nylon roll pouch.