This is a Stanley Security QCL154 heavy duty cylindrical lock with a lever handle. It installs in a standard door prep and is sold in a range of lever styles, latch fronts and strike options. Stanley Security is the brand on the lock. Part QCL154 M 605 FR4 NOS SC is the Corridor Summit Lever, Radius 2-3/4 With 3/4 Throw, No Strike Schlage C version in Bright Brass.

• Corridor Summit Lever
• Radius 2-3/4 With 3/4 Throw
• No Strike Schlage C
• Finish 605 Bright Brass
• Part number QCL154 M 605 FR4 NOS SC