This is a Stanley Grade 1 heavy duty cylindrical lock for commercial doors. It uses a small format interchangeable core (SFIC) cylinder, so it fits openings that run an SFIC keying system. Lever style, backset, strike and cylinder options vary by part number. Part QCL155 M 625 S8 478S LC is the Corridor SFIC Summit Lever, Square 2-3/8, Ansi Strike Less Cylinder version in Bright Chrome.

• Corridor SFIC Summit Lever
• Square 2-3/8
• Ansi Strike Less Cylinder
• Finish 625 Bright Chrome
• Part number QCL155 M 625 S8 478S LC