This is a Grade 1 heavy duty auxiliary deadbolt from Stanley Security. It mounts on a door in addition to the primary latch to add a separate locking point. Strike style, backset and cylinder options vary by part number. Part QDB182 625 NR4 FLR LC is the Double Cylinder, Nr Rd 2-3/4 Latch Fl-Lip Rd Stk, Less Cylinder version in Bright Chrome.

• Double Cylinder
• Nr Rd 2-3/4 Latch Fl-Lip Rd Stk
• Less Cylinder
• Finish 625 Bright Chrome
• Part number QDB182 625 NR4 FLR LC