Quantity: each pack contains 20 pieces of cache faucet aerator keys of 5 different sizes, 4 for each, sufficient for your use and replacement

Useful tools: you can remove most cache faucet aerators, replace or clean clogged air ducts with our aerator removal key used to fix low flow faucets; please check the sizes carefully before order

Standard sizes: we have 5 standard size, M16.5, M18.5, M21.5, M22.5, M24, for you to remove varied sizes of cache faucet aerators

Wide compatibility: our cache faucet aerator keys are fit for most Cache Faucet aerators, they are compatible with Neoperl, Delta, Moen, Kohler, American Standard, Danze, Groche Cache aerators

Quality material: the cache faucet aerator keys are made from high-quality ABS plastic, strong and durable to serve you for a long time; wrenches and other tools may damage aerators, while ABS wrenches can prevent scratches or damages