McKinney 5 Knuckle Ball Bearing Full Mortise Hinge 4-1/2 x 4-1/2 Concealed Electric Through-Wire, Architectural Control Systems, Mfr#: TA2714-4.5X4.5-26D-1108

ARCHITECTURAL CONTROL SYSTEMS TA2714 Series Hinges. McKinney 5 Knuckle Ball Bearing Full Mortise Hinge 4-1/2 x 4-1/2 Concealed Electric Through-Wire 8 wire – 28ga, 26D Satin Chrome Finish