The 4 hole - horizontal adjustable plastic hinge is made of fiberglass-reinforced black nylon with a stainless steel pin. It is commonly used to connect plastic panels and lightweight doors to T-slot profiles. It has horizontally slotted holes to support adjustments. The suggested hardware to mount the hinge to a T-slot profile can be found on the "Suggested Hardware" tab.
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/.