Folding spring hinges have strong load bearing capacity and are detachable spring hinges Ensuring strength and durability, with an opening angles of 80° The unique spring structure design provides a smooth and stable opening and closing Make of high strength cold rolled steels, ensuring the durability and stability of hinge Suitable for sofa headrests, bedside tables, and can also be used in cabinets, lockers, you can easily open and close cabinets or lockers, Manufacturer: YROHGKPN