Versatile automotive clamp set: This set of 4 hose clamps is ideal for automotive use, including brake fluid lines, A/C lines, hoses, and banjo fittings, allowing you to interrupt fluid flow during maintenance and repair. Durable steel construction: Made from robust, corrosion resistant steel, these clamps provide long lasting performance under pressure to withstand harsh automotive environments without losing effectiveness. Leak prevention: The clamps securely prevent fluid leakage while working on brake lines, A/C systems or hoses, ensuring no spills or mess and helping you maintain a clean and safe workspace during repairs. Easy to use: Designed for quick and effortless application, these clamps install and remove easily, making maintenance or repairs more efficient and less time consuming. Use scenarios: - Brake system service: clamp brake fluid lines to prevent leaks during fluid servicing or line replacement. - A/C or refrigerant work: secure lines to avoid leaks while servicing or replacing A/C components. - Engine bay hose and banjo fitting repairs: keep fluid contained when disconnecting or replacing hoses and banjo fittings.