NON-SLIP DESIGN: The faucet aerator wrench has built-in non-slip rubber pieces to enhance the contact surface, which helps to loosen or install the bubbler, and will not damage the faucet bubbler during use. NOT HURT HANDS: The aerator removal wrench has a yellow non-slip cover on the surface, which is convenient and safe to use, suitable for disassembling and assembling faucet bubblers, and will not hurt your hands during use. STRONG AND DURABLE: Our faucet aerators are forged from high-quality carbon steel, sturdy and durable, the outer diameter opening width is adjustable to effectively repair the faucet, it is the best tool. EASY TO USE: Can be used for most bubbler wrenches, can replace clogged faucet wrenches or rusted, can be easily adjusted to any size.