Amesbury Truth Modern / Contemporary Signature series Sliding patio door handle
Semi-Active Non-Keyed Exterior with Interior Thumb Latch 
Typically installed with a single, 2-Point or 3-point locking mortise lock with hooks.

Applications: Residential and Commercial sliding doors. Aluminum, Wood, Vinyl and Composite
Key Position: Non-Keyed (thumb latch only)
Function: Semi-Active, non-keyed with Interior thumb latch
Screw Hole Centers: 3-15/16 inch 
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

Color / Finish Options:
Black
White

Other Functions:
147185: Active, Keyed with an interior thumb latch (key is centered)
147186: Active, Keyed with an interior thumb latch (key is OFF center)