Series 25 T-Track - Track End Cap - Black'Racing' track has 25mm(63/64") stop hole spacing for even more precise control of the car position and sheeting angle. Track Fastenings:5mm (3/16") countersunk fasteners at 100mm (3-15/16") centresMaterials:Anodized alluminum alloy track The Ronstan Series 25 T-track is a popular track system used in various applications, such as sailboat rigging and architectural installations. The Track End Cap is an accessory specifically designed for the Series 25 T-track. Here are the details: Compatibility: The Track End Cap is compatible with the Ronstan Series 25 T-track. It is designed to fit securely at the end of the track to provide a finished look and prevent dirt, debris, or water from entering the track system. Material and Color: The Track End Cap is made of durable materials, typically a high-quality UV-stabilized plastic or a corrosion-resistant metal. The specific material and color options may vary, but the one you mentioned is black. The black color provides a sleek and uniform appearance when installed on the track. Function: The Track End Cap serves two main purposes. Firstly, it acts as a protective cover, sealing off the end of the T-track to prevent dirt, moisture, and other contaminants from entering and potentially affecting the performance of the track system. Secondly, it enhances the overall aesthetic appeal by providing a clean and finished look to the end of the track. Ronstan is a well-known brand in the marine and architectural industries, and their products are known for their quality and durability. The Series 25 T-track and its accessories, including the Track End Cap, are designed to withstand harsh marine environments and offer reliable performance.