Stainless Steel Full Mortise Hinge Size (H x W):3-1/2" x 3-1/2" even though the barrel is

even though the barrel is up

Hinge is made to fit a door that is 1-3/4" thick

Set screw locks hinge leaf in place at any angle

This spring loaded bolt latch is great for farm applications

Projection is 1"

Stainless Steel Full Mortise Hinge Size (H x W):3-1/2" x 3-1/2" even though the barrel isArchitectural 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. These are plain bearing hinges. We recommend ball bearing hinges for high frequency doors and doors equipped with door closers. Solid stainless steel leaves and pins. The 3" and 3 1 2" hinges come with wood screws. The 4" and 4 1 2"