5pcs Cache Faucet Aerator Keys Tap Inflator Liner Foamer Removal Tool KeyOOTDTYDescription:Features: Made of ABS, non-toxic, odorless and safe to use, convenient to remove with long service life5 sizes of keys: M16.5, M18.5, M21.5, M22.5 and M24, different sizes meet different needs. Faucet aerator tool kit for or cleaning blocked aerators, effectively fix low faucet flow and ensure smooth flow. Easy to use: Aerator keys can remove most aerators. The ABS wrench prevents scratches or damage when removing or installing the aerator. How to choose: first, you need to measure the diameter of the cache aerator, then choose the right aerator key size, and finally install the selected one on your home faucet. Specification:Color: Blue Material: ABS Outer Diameter: 16.5mm(0.65in)/18.5mm(0.72in)/21.5mm(0.84in)/22.5mm(0.88in)/24mm(0.94in)Quantity: 1 Set (5pcs)Note:Transition: 1cm=10mm=0.39inchNo retail package. Please allow 1-3cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included: 1 Set (5pcs) x Aerator Wrench (Other accessories shown in the picture are not included.)