National Hardware Narrow Hinge, 7 lb Weight Capacity, Door Leaf Width: 1-1/2 in, Door Leaf Thickness: 0.045 in, Frame Leaf Width: 1-1/2 in, Frame Leaf Thickness: 0.045 in, Number of Knuckles: 5, Pin Type: Removable, Loose, 0.106 in Dia Pin, Full Mortise Mounting, Number of Mounting Holes: 4, Mounting Hole Diameter: 0.197 in, Hole Spacing: 1.046 in, Steel, Brass, 1-3/8 in L x 1-1/2 in W Dimensions