Universal Compatibility for Versatile Use: This tool’s universal design accommodates a wide range of plug in aerators found in kitchens and bathrooms. Its adaptability makes it suitable for various plumbing maintenance tasks, simplifying repairs and replacements across different faucet brands and models. Precision Engineered for Standard Aerators: Designed specifically for faucet aerators with a thread pitch of 1.9mm or greater, this key ensures a perfect fit for most common models. It supports sizes including M16.5, M18.5, M21.5, M24, Junior, and Regular types, making it an essential tool for seamless aerator removal without damage. Premium 304 Stainless Steel Construction: Crafted from high quality 304 stainless steel, this aerator key offers exceptional strength and corrosion resistance. Unlike plastic alternatives, it resists bending, breaking, and rusting, guaranteeing long lasting durability and reliable performance in wet environments. Ergonomic Handle for Effortless Operation: Featuring a comfortable grip handle engineered to reduce hand fatigue, this aerator removal tool allows users to easily loosen even the most stubborn aerators. Its user friendly design eliminates the need for additional tools or professional assistance during installation or removal. Ideal for Homeowners and Professionals Alike: Whether performing routine maintenance or emergency repairs, this rugged and durable key is perfect for DIY enthusiasts and plumbers. It streamlines faucet upkeep by providing a reliable solution that saves time while protecting delicate faucet components from damage. Description: This faucet aerator key is an essential tool for any home or professional plumber, designed specifically for aerators with a thread pitch of 1.9mm or greater. Crafted from tough 304 stainless steel, it ensures durability and resistance to bending, breaking, or rusting, outperforming plastic alternatives. Its universal fit accommodates most standard plug in aerators including M16.5, M18.5, M21.5, M24, Junior, and Regular sizes. The ergonomic handle provides a comfortable grip, making the removal of even the toughest aerators quick and effortless without the need for additional tools or professional help. A reliable, rugged solution for faucet maintenance and repair. Item Name: Faucet Aerator Key Material: Stainless Steel Features: 4 Sizes, Heavy Duty, Quick Aerator Removal Size Details: L: 4cm/1.57", W: 2cm/0.79" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 4 x Faucet Aerator Keys