The Stanley Hardware 3-1/2-by-3-1/2-inch residential hinge with 5/8-inch radius corners eliminates the need for additional mortising and can be used in place of square or 1/4-inch radius hinges. Intended for use on lightweight residential doors in low frequency applications, this hinge is designed with non-rising removable flush pin, five knuckles and full mortise. Measuring 3-1/2 inches long by 3-1/2 inches wide, this residential hinge is made of steel with a satin brass finish. This product has six screw holes per hinge and all screws are included.