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 625 FR4 NOS LC is the Corridor Summit Lever, Radius 2-3/4 With 3/4 Throw, No Strike Less Cylinder version in Bright Chrome.

• Corridor Summit Lever
• Radius 2-3/4 With 3/4 Throw
• No Strike Less Cylinder
• Finish 625 Bright Chrome
• Part number QCL154 M 625 FR4 NOS LC