The 4-hole plastic lift-off hinge comes in both right and left hand options and 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 and is available in options with slot tabs to assist with alignment.
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/.