Performance Features:
Tested to exceed 1,000,000 cycles, exceeding the 800,000required to meet Grade 1 certification.
Standard clutching mechanism provides resistance to damage caused by physical force.
Thru-bolted design and heavy-duty spring tension provides longer performance life and prevents lever sag
Concealed mounting screws
Compartmentalized packaging allows for quick and easy installation.

Specifications:
Handing - all QCL100 series lever locksets are non-handed.
Door Thickness - 1 3/8" - 2" (35mm-51mm) standard.
Backset - 2 3/4" (70mm) standard. 2 3/8" & 5" (60mm, 127mm) available.
Exposed Trim - Pressure cast zinc, plated to match finish designation.
Strike - ANSI strike 1 1/4" x 4 7/8" (32mm x 124mm) standard. Other strike options also available.
Door Prep - 2 1/8" (54mm) diameter cross bore.
Latchbolt - Keyed/Exterior 1/2" (13mm) steel; Interior 1/2" (12mm) spring latch; Latch Faceplate 1 1/8" x 2 1/4" (29mm x 57mm)