Multifunctional basin wrench designed for installation, maintenance and repair of kitchen or bathroom sinks. A must-have for plumbers and DIY enthusiasts. Efficient repair and installation: ideal for stopping leaks or installing new bathroom fixtures, helping to ensure a safe, smooth and reliable process. Four-claw hex wrench: four adjustable jaws together with a hex head allow easy tightening or loosening of various nuts and bolts. Provides the flexibility needed for different repair tasks. Faucet hose connector: includes a dedicated fitting to tighten or loosen faucet hose connections, ensuring a secure, leak-free installation and saving time and effort. Use scenarios - Installing a new bathroom faucet or replacing faucet hoses under the sink. - Tightening loose supply nuts, shut-off valves, or drain connections to stop leaks. - Working in tight under-sink spaces to reach hard-to-access fasteners.