2 Point Mortise Lock, Sliding Patio Door Material:E Gard Plated The left hand base is

The left hand base is clearly marked with the number C-1081-211

part specifications

Arm Length: 8-1/2" (216mm) straight

Arm Marking: S-1081-123

Please measure your existing operator arm carefully to ensure correct fit before ordering

2 Point Mortise Lock, Sliding Patio Door Material:E Gard Plated The left hand base is2 Point Mortise Lock with small 9 3 8 faceplate for primarily Vinyl Sliding Patio DoorApplication: Vinyl or Aluminum Glass DoorsFace Plate Size: 1 2 x 9 3 8 Radius EndsInstallation Screw Holes: 9 7 8Overall Length: 10 3 16Hooks: Point InwardMaterial: Stainless Steel or Raw Steel (Yellow Dichromate) Choose OptionHandle set Type: Works with Center or Off center Thumb TurnMarkings: PAT # 6. 264. 252 5. 820. 170Includes: Mortise lock with small faceplate