Stanley FBB168NRP 4-1/2X4-1/2 Heavy Weight Five Knuckle Ball Bearing Hinge

Five Knuckle Ball Bearing Architectural Hinge, Steel, Full Mortise, Heavy Weight, 4-1/2" by 4-1/2", Square Corner

Hinge Type: Full Mortise

Hinge Weight: Heavy Weight

Hinge Size: 4-1/2 x 4-1/2 Inch

Features: Non-Handed; Limited Lifetime Warranty for the Life of the Building;
Contain Anti-Friction Bearings, a Requirement for Fire-Rated and Self-Closing Doors

Product Material: Steel

Number Of Knuckles: 5

Included Components: Wood and Machine Screws

Fastener Size: 1/2" x #12-24 Machine 1-1/4" x #12 Wood

Model: FBB168 4.5X4.5 26D, FBB168 4.5X4.5 26, FBB168 4.5X4.5 10B, FBB168 4.5X4.5 15, FBB168 4.5X4.5 3, FBB168 4.5X4.5 10, FBB168 4.5X4.5 1D - FBB168 4.5X4.5 P, FBB168 4.5X4.5 4