Four different specifications to meet various work needs. Offers good abrasion resistance, making it durable and less prone to damage. Simple and convenient operation saves time and effort. Lightweight and compact design allows for easy carrying and storage. Made of plastic material for long-lasting use. Includes four sizes: 16.5mm, 18.5mm, 21.5mm, and 24mm. Suitable for use in home, kitchen, washroom, faucet, and bathroom applications. 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