Aerator key material: the faucet aerator keys are made of plastic, strong and sturdy, which can effectively remove faucet aeratorsFit most cache aerators: our wrench tools are suitable for most of cache faucets aerators, which are practical and convenient in daily use Easy 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 faucets Aerator key: help remove most cache faucet aerators, please measure carefully before buying in case of unfit situation NOTE: 1.Suit for male thread faucet M16 18 22 24 2.style A16.5mm,style A18.5mm,style A21.5mm can use blue tool , also can use coin screw off 3.Tool5 only suit for style A21.5mm 4.Please check you facuet size before you choose the aerator Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don' mind. And take a consideration before place the order if you have request for color or appearance. Colour:Photo Color Material:plastic Package Contents: 1 set x Cache Aerators Only the above package content, other products are not included. Note: Light reflection 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.