The dual roller wheel bracket is made of anodized aluminum and mounts to a T-slot profile. It is commonly used with roller wheels to form assemblies that create door frames, linear glides, and track systems. It includes the hardware for mounting the bracket to the T-slot.
For technical details and images, please search for the product using the 80/20 interactive catalogue found here: https://catalogs.8020.net/80-20-Catalog-26/C/.