The brass square knuckled full mortise side rail hinge is engineered with a built-in stop that allows a lid to remain open at a 95° angle. These hinges are milled from 1/4″ thick solid brass stock to precise dimensions and are designed to last a lifetime. They feature stainless steel hinge pins and our standard Brusso burnished finish. The leaf measures 5/16″ wide x 1-3/8″ long. The inset is 1-1/8″ long. The hinge is sold in pairs unhanded with brass screws included.