3-Piece Professional Hose Clamp Pliers — for brake lines, fuel lines, heater and radiator hoses Key benefits Complete 3-piece set: three different sizes included to cover a wide range of hose clamp diameters, so you have the right plier for most automotive and small-engine hose jobs. Protects hose integrity: each tool features a special rounded jaw radius that grips clamps without cutting or pinching the inner hose, reducing the risk of leaks and extending hose service life. Secure hold and hands-free work: integrated safety latch locks the pliers in place for a steady, reliable clamp during repairs and reassembly. Comfortable, portable design: ergonomic handles for reduced hand fatigue during extended use and a compact form that’s easy to carry in a toolbox or glove compartment. What it does Safely compresses and holds spring-style and ear-style hose clamps without damaging the hose. Locks open or closed to allow controlled removal, installation, or repositioning of clamps. Works across brake, fuel, heating and cooling systems where clamp management is required. Compatibility and use Designed for automotive applications including brake lines, fuel lines, heater hoses and radiator hoses. Three sizes accommodate common clamp diameters used in passenger cars, light trucks and small engines. Practical scenarios Replace a fuel filter: compress and hold the fuel line clamp securely while swapping the filter, minimizing fuel drips and hose stress. Service the cooling system: remove and re-install radiator or heater hose clamps without nicking the hose surface. Brake line or vacuum hose maintenance: clamp, lock and release spring clamps safely while performing brake or vacuum repairs. Features at a glance 3-piece set with three size options Rounded jaw radius to prevent inner hose damage Safety latch for secure locking Ergonomic handles for long use Compact and portable for shop or mobile repairs This set gives you the appropriate sizes and secure handling needed to complete hose clamp jobs more safely and efficiently without risking damage or premature hose failure.