The Pool Joint Pins are designed for most rectangular metal frame summer swimming pools. Easy to install, just replace damaged or missing pins easily, no additional tools required. Made of high-quality plastic materials, corrosion-resistant and wear-resistant. Made of high-quality durable ABS material and rubber, this plastic pin and joint can replace the round pool frame, have a longer service life than others and can work as before. Bring your rectangular metal frame pool back into use, but the money spent is only a small part of what you spend. You will get 10 Plastic Joint Pins, which are used to connect the horizontal top to the T-connecting joints, which are very suitable and ideal replacement parts. 10 sets of replacement pool joint pins allow you to maintain multiple positions, providing an excellent choice for replacement parts for pools with damaged or missing pins and joints, and make your pool work normally again. And no need to buy a new one.