Wise 8WD12 Aluminum Offset Piano Hinge, 11" Double Offset aluminum hinge; ideal replacement for boat lounge seats Hinge leaves are pushed in the direction opposite of the pin side of the hinge Distance between the 2 hinge leaves when closed and Parallel: 1.5 inch Hinge width when opened: 1.75"; overall hinge length: 11" Pre-drilled Slotted holes for an easy installation