This is a heavy duty cylindrical lock from Stanley Security, sold as a Grade 1 lock. It fits standard bored door preps and uses a small format interchangeable core (SFIC) cylinder. Lever design, backset, front shape, strike and core options vary by part number. Part QCL171 A 619 R8 NOS BF is the Storeroom SFIC Slate Lever, Radius 2-3/8, No Strike Best F SFIC version in Satin Nickel.

• Storeroom SFIC Slate Lever
• Radius 2-3/8
• No Strike Best F SFIC
• Finish 619 Satin Nickel
• Part number QCL171 A 619 R8 NOS BF