1-5/8" x 2-1/2" Universal Self-Closing Spring HingeSelf closing hinges are an important item for homeowners with pools, who are required to have self closing hinges. These specific hinges are ideal due to their larger surface area, which eliminates the fear of overtightening. They require little to no maintenance and function under lower torque. Rust and corrosion resistant Textured surface provides optimal grip Stainless steel spring and hinge pin Lightweight Helps keep children and pets safe