Four different specifications allow for versatility in various tasks. Good abrasion resistance helps prevent damage and breakage. Simple and convenient operation saves time and effort. Lightweight and compact design ensures easy portability and storage. Made of durable plastic material. This set includes four sizes: 16.5mm, 18.5mm, 21.5mm, and 24mm. Suitable for use in the home, kitchen, washroom, faucet, and bathroom. Item Name: Aerator Wrench Material: Plastic Features: Durable, Wear-resistant, Comfortable Grip Size Details: Diameter: 1.65cm (0.65"), 1.85cm (0.73"), 2.15cm (0.85"), 2.4cm (0.94") (Approx.) Note: Due to lighting and screen setting differences, the item's color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement. Package Includes: 4 x Aerator Wrench