Solid MaterialThis pool pivot axle is made of high quality plastic material. The material is durable and practical, safe, sturdy, stable, not easily deformed, has a longer service life than other parts, and is cheaper, which makes your metal frame swimming pool cheaper and more stable. br>Perfect matchThe swimming pool spare parts kit includes 20 connecting pins and plastic gaskets. The long pin connects the T-piece to the round frame tube of the pool. It adapts perfectly to the metal frame without loosening. The seal prevents water from entering the frame tube and causing it to rust from the inside out, so you can more easily enjoy the happiness of the swimming pool in the summer. Easy to replaceThese swimming pool connector pins and washers can prevent you from buying a new metal frame swimming pool due to the loss or damage of several plastic pins and meet your multiple replacement needs. Using extra connector pins and washers is the easiest way to keep your pool in top shape this summer. Easy to Install There's no problem installing this connector pin on your 13'-24' round metal frame pool. You just need to replace the damaged or missing pins without any additional tools. Wide Range of ApplicationsThis swimming pool replacement kit is suitable for most rectangular pools with metal frames and prisms in summer. It is especially suitable for the design of intex 13'-24' round and rectangular ground pools with metal frame, to give you more size and model options.