Stainless Steel NRP Full Mortise Hinge Size (H x W):4-1/2" x 4-1/2" This drop stay gently lowers

This drop stay gently lowers and holds drop down desk surfaces and flaps

Semi-Concealed Hinges are mounted on the back surface of a door with a corresponding 3/8" inset mortised into the edge of the door

The 7" strap mounts on the door surface

Hole edge breakout is covered by hinge lip

Stainless Steel NRP Full Mortise Hinge Size (H x W):4-1/2" x 4-1/2" This drop stay gently lowersArchitectural grade hinges are recommended for the heavier doors found on custom homes and as an upgrade for residential hinges. Architectural hinges are thicker and of much higher quality than residential grade hinges. NRP (non removable pin) hinges have a set screw in the barrel that is accessible only when the door is swung open. This security feature deters someone from removing the hinge pin and the door. These are plain bearing hinges. We