Usage Tips:This faucet aerator key is a must-have tool for every home kit. Made of high-quality ABS material, this well-designed wrench is durable and easy to use. With four different sizes available (16.5mm, 18.5mm, 21.5mm, 24mm), it is compatible with various faucets in your kitchen and bathroom. Installing and removing faucet spout plugs is a breeze with this aerator key. Simply insert the wrench into the groove and turn it clockwise or counterclockwise. Its superior construction ensures that it is strong and sturdy, making it easy for even beginners to operate successfully. Say goodbye to calling a plumber for simple tasks. This disassembly wrench allows you to quickly clean or replace faucet aerators on your own, ensuring optimal water flow in your sinks. Keep your home clean and functional with this essential tool for your kitchen, bathroom, or any other water fixture. Item Name: Faucet Aerator Key Material: ABS Style: Modern And Simple Features: 4 Sizes, Heavy Duty, Quick Aerator Removal Size Details: Diameter: 1.65cm/0.65" (Approx.) Diameter: 1.85cm/0.73" (Approx.) Diameter: 2.15cm/0.85" (Approx.) Diameter: 2.4cm/0.94" (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