The Aluminum Post Ball Cap is designed specifically for 75x75mm tubes, providing a stylish and functional solution for your fencing or railing system. Crafted from high-quality aluminum, this ball cap offers durability and long-lasting performance. Its sleek design adds a touch of elegance to your outdoor spaces. With easy installation and a secure fit, it effectively seals the top of the tube, preventing dust, debris, and weather elements from entering. Upgrade your 75x75mm tube system with this reliable and aesthetically pleasing accessory.