Amesbury Truth Modern / Contemporary Signature series Sliding patio glass door handle, Active Keyed Exterior with Interior Thumbturn.
Typical installation is single, 2-Point or 3-point locking mortise lock with hooks.

Applications: Residential and Commercial sliding doors. Aluminum, Wood, Vinyl and Composite
Function: Active, keyed with Interior thumb turn, used with single or multipoint locks
Available Functions: Active Keyed, Semi-Active Non-keyed with Thumbturn, inactive Dummy with fixed pulls
Door Thickness: stile thickness ranging from 1.25 to 2.25 inches (32 - 57mm)
Material: Brass substrate for Plated and PVD finishes Zinc substrate for Painted finishes

Installation Note: Can be installed with Key above or Key below
Works With: Truth Single Point, Gemini or Nexus 2-point and Nexus 3-point locks
Escutcheon Plate Width: 1.25 inches (31.8mm) 1-1/4
Escutcheon Plate Length: 13.00 inches ( 330.2mm ) 13
Screw Hole Center: 11-15/16 inches 
Center of Thumbturn to Top screw: 1.97 inches ( 50mm) 1-31/32
Mounting Screws: 2 x 8-32 Phillips Oval head machine ( assorted lengths)
Key Cylinder: Schlage SC1 5 pin with 2 keys
Keying Options: Keyed Different or Keyed the same ( additional charge may apply )