5 Knuckle Ball Bearing Full Mortise Swing Clear Electric Hinge, Square Corners, 4Wire, Allegion Connect, Med. frequency usage doors, 2 ball bearing, completely clears the opening when door is opened 92°

5 Knuckle Ball Bearing Full Mortise Swing Clear Electric Hinge, Square Corners, 4Wire w/Monitor, Med. frequency usage doors, 2 ball bearing, completely clears the opening when door is opened 92°

5 Knuckle Ball Bearing Full Mortise Swing Clear Electric Hinge, Square Corners, 4Wire w/Monitor, Allegion Connect, Med. frequency usage doors, 2 ball bearing, completely clears the opening when door is opened 92°

5 Knuckle Ball Bearing Full Mortise Swing Clear Electric Hinge, Square Corners, 8Wire, Med. frequency usage doors, 2 ball bearing, completely clears the opening when door is opened 92°

5 Knuckle Ball Bearing Full Mortise Swing Clear Electric Hinge, Square Corners, 8Wire, Allegion Connect, Med. frequency usage doors, 2 ball bearing, completely clears the opening when door is opened 92°