Setting click clamps securely — even in tight spaces. KNIPEX Click Clamp Pliers 85 51 180 C. Anyone who has ever installed or released click clamps on fuel lines, vacuum hoses, or intake fittings knows the challenge … … too little space, strong spring tension, and a clamp that loves to twist away the moment you’re trying to position it. That’s exactly where these click clamp pliers show what they can do: ✅ Rotating gripping inserts for secure actuation in any position ✅ High leverage makes openi