Durable Carbon Steel Construction: Crafted from high-quality carbon steel alloy, our wrench ensures superior strength and durability for long-term use, making it reliable for both professionals and DIY enthusiasts Universal Compatibility: Designed to fit a wide range of faucets and shower aerators, our wrench offers versatility and convenience, making it an essential tool for various plumbing tasks Ergonomic Design for Comfortable Grip: With a professional ergonomic design and a rubber-coated handle, our wrench provides a comfortable grip and excellent user experience, reducing fatigue during prolonged use Efficient Aerator Maintenance: Whether you're replacing or cleaning clogged aerators, our wrench offers efficient performance, effectively restoring low-flow faucets to optimal functionality without scratching or damaging surfaces Adjustable Opening Width: Featuring an adjustable opening width suitable for pipes with an outer diameter of 21.5 mm to 27 mm (7 / 8 inch to 1 inch), our wrench ensures compatibility with most faucet aerators, enhancing its usability and practicality