Box contents: 12 plastic connection pins and 12 gaskets suitable for metal frame pools. Thanks to them, you can keep your pool in good condition this summer. ABS Material: Made of premium ABS material, which is durable as the frame pool is used every day. Keeping your pool in good shape this summer with pin seals. (Environmentally friendly materials, reusable) Easy Installation: No additional tools required. Simply replace missing or broken pins. Get your metal frame pool ready for use in no time. [Strong Tightness]The pool bolt connects the T-joint and the pool frame tube. The spare parts are very strong and not easy to fall off, which can prevent water from entering the pool frame tube and the rust. A good pool parts replacement can replace the old part to make your frame pool work like new. Made of high quality ABS material, it is very strong and not easy to rot. Proves to be durable as the frame pool is used every day. No tools needed, easy to install, quick connection. Saves you service costs and repairs to your rectangular frame pool.