4" x 4" square hinge in steel. One leaf mortises into the door edge and the other into the jamb, swinging on the knuckle pin. Specified on interior and exterior residential doors; door height and weight decide how many are needed. Confirm the Square corners, leaf size and door thickness against the existing frame preparation before ordering. Sold in pairs.
- Material: Steel
- Leaf thickness: .085"
- Corners: Square
- Finishes: 11