SOSS - 100CUS4 Mortise Mount Invisible Hinges with 4 Holes, Zinc, Satin Brass Finish, 1" Leaf Height, 3/8" Leaf Width, 15/32" Leaf Thickness, 5 x 3/4" Screw Size (1 Pair)

For 1/2" to 3/4" thick material | Fully mortised in the door and frame so the hinge cannot be seen from either side when closed. | Ideal for small jewelery boxes, humidors, or other small woodworking projects | Moving pivot point eliminates any external pinch point | No adjustment needed once installed