PBB BB81 3 1/2" x 3 1/2" Ball Bearing Hinge 5-Knuckle Full Mortise Standard Weight
PBB BB81 3-1/2" x 3-1/2" Ball Bearing Hinge 5-Knuckle Full Mortise Standard Weight. BB81 Features Full Mortise, Wrought Steel, 3-1/2, 4" available in square, 5/8", 1/4" Radius Round Corners, All hinges are ANSI template