1.ALUMINUM SAFETY HOOK FOR POOLS The hook for pools is made of aluminum materials designed to withstand the harsh pool environment. It is durable, sturdy and can be used for years. 2.Adjustable telescopic rod: rescuers can ly extend the length as needed, which is convenient for operation while expanding the search area, which is a protection in any swimming pool or dangerous water environment. 3.Faster Efficient Compared with a lifeline, you can save a life without worrying about the pole floating like a rope and its direction being affected by the current. You can save people more accurately without having to throw a lifebuoy. 4.REMOVABLE SAFETY HOOK This is the universal size needed to fit standard size pool accessories. The size allows you to easily attach most pool maintenance accessories such as net, skimmer, brush, vacuum head, rescue hook, etc.