1. No problems installing this set of long lockjoint pins, which are installed on your round 13'24' metal frame pools. Simply replace the broken or missing pins and no additional tools are needed. 2. Super Value Pool Replacement PartsYou will receive 12 joint pins seals for pool replacement parts, long joint pins connect Tjoints with the round frame pipes of your pool. Seals prevent water from entering the frame pipes and causing them to rust. 3. ABS Material Made from highquality ABS material, which proves to be durable as the frame pool is used every day. So your pool stays in top shape this summer with the help of the joint pins seals. 4. Designed for Metal Prism Frame Pools10312 pins product size: 6cm/2.36in (length); 0.8cm/0.31in (diameter). Pins part number: 10312, these plastic joint pins seals for metal frame pools, size: 10ft X 30in (201619); 12ft X 30in (201619) prism frame: 10ft X 30in (201619); 12ft X 30in (201619); 12ft X 39in (2019); 13ft24ft (2015 pre2015).