The long rod connects the tee fitting to the circular frame tube of the pool. The sealing ring can prevent water from entering the frame tube and causing rust.It is made of high quality ABS materials. Because the frame pool is used every day, it is durable. This summer the pool can be kept in top condition with the help of replacement connection pins and gaskets.12 pack of pool gasket pins and 12 rubber gaskets make excellent replacement parts of the pool pool for damaged or missing pins and gaskets, and receive your rectangular metal framed pool back in service immediately, but at a fraction of the cost you would have spent.There's no hassle installing the kit of pins for this long latching pool connector on a circular metal frame 14ft to 16ft pool. It is easy to replace missing or damaged pins without additional tools.This common long locking pin is suitable for most swimming pools with rectangular metal frame in summer.