1.ABS material Made of high quality ABS material which is proven to be durable as the frame pool is used every day. So that your pool stays in top shape this summer with the help of the Joint Pins Seals.^ 2. Super Value Pool Spare Parts You get 12 Joint Pins Seals for Replacement Spare Parts, Long Joint Pins Connect T-connections to the round frame tubes of your pool. Seals prevent water from entering the frame tubes and preventing them from rusting.^ 3.Easy Installation No hassle to install this set of long lock joint pins installed on your round metal frame pools, just replace the broken or missing pins and no extra tools needed.^ 4.Save your metal frame pools 12 pcs replacement joint pins and 12 pcs replacement seals save you from buying a new metal frame pool due to missing or broken joint pins, this is the easiest way to keep your pool in tip-top shape with the help of the replacement joint Pins Seals.