1-5/8" x 3" Gravity Self Closing HingeStop worrying about your gate spring wearing out with our 1 5 8 x 3 Gravity Self Closing Hinge. This hinge uses no springs. Instead it uses gravity to close it seamlessly. It does this by forcing the bottom of the gate upwards at a slight angle, so gravity pulls it back down once its released. This hinge works very well for gates in areas with a slight slope change due to this lifting. Corrosion resistant No spring burnout Galvanized steel