Upgrade 9 function: This multifunctional sink wrench set features 9 jaw sizes, (13mm-40mm) for a secure grip on various fittings, perfect for kitchen, bathroom, and plumbing tasks. Plumbing Wrench for Tight Spaces: designed to tackle narrow and hard-to-reach areas, this basin wrench set is ideal for confined spaces, Its compact and ergonomic design allows for easy maneuverability, making installations and repairs in tight spots quick and effortless. Durable & Rust-Resistant: Made from high-quality materials, it resists corrosion, ensuring long-lasting performance in moist environments. Lightweight & Easy to Handle: Weighing just 134g (Model A) and 144g (Model B), it’s easy to handle and reduces hand fatigue during extended use. Multi-Purpose Use: Ideal for 90% of household plumbing fixtures, including faucets, water heaters, and pipes, making installations and repairs quick and efficient, whether you're a professional or a DIY enthusiast. Important Note:This tool is specifically designed for faucets with standard nuts and is **not a universal plumbing tool**. Each feature is clearly marked with size specifications and intended use in the product images. Ideal for DIY repair enthusiasts, this practical tool features a simple yet effective design: two multi-slot heads attached to dual rods, covering 9 standardized sizes (compatible with all faucets matching these specifications). A must-have addition to your toolkit for effortless faucet maintenance and repairs.