Stanley National Hardware S800-130 759 Solid Brass Round Corner Residential Hinge in Brass , 3-1/2" Authorized Replacement from National Hardware Stock #N197-756 Round-corner door hinge for residential doors Ideal for low-frequency usage lightweight doors Features a stylized tip design for upscale appearance and a 5-knuckle, full-mortise design Solid brass with bright brass finish; includes a non-rising, easily removable pin Measures 3-1/2 inches square