Dear customer, thank you for choosing to shop at the store. Our products have affordable prices and good quality. We supportand. Please read the product description as much as possible to avoid unnecessary unpleasantness.Please contact us if you have any problems during shopping. We will communicate with you in a sincere manner and do our best to solve the problems arising in the shopping process. Happy shopping. Aerator key material: the faucet aerator keys are made of ABS, strong and sturdy, which can effectively remove faucet aeratorsSize: 3 pieces M16.5, 3 pieces M18.5, 3 pieces M21.5, 3 pieces M24, 12 pieces in all, with 5 pieces cache faucet aerator key removal wrench tools, sufficient quantity can meet your needsFit most cache aerators: our wrench tools are suitable for most brands of cache faucets aerators, which are practical and convenient in daily useEasy to use: with these aerator keys, you can easily unscrew your faucet aerator out and then replace or clean the blocked one, fixing low flow faucetsAerator key: help remove most cache faucet aerators, please measure carefully before buying in case of unfit situationColour: blue + gray + redMaterial: plasticPackage Contents:1 set x Cache AeratorsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Dear customer, if you want to buy in large quantities, please contact us, we will offer another preferential price.