MUL-T-LOCK MTL800 Hercular® Captive Key Deadbolt (decorative style) Backset:2 3/4" The B3220CILK also comes with

The B3220CILK also comes with a one year parts and labor warranty

Key cylinder included

Active Door Oil Rubbed Bronze for 1 3-4 inch doors

1 - Spindle: 5/16 x 3-7/8 inch

GU stainless steel middle keeper for 45 mm 1 3/4" thick door

MUL-T-LOCK MTL800 Hercular® Captive Key Deadbolt (decorative style) Backset:2 3/4" The B3220CILK also comes withPart No. : 800 HDCDEC The Captive Key functions as a hybrid of a Single Cylinder and Double Cylinder Deadbolt. The inside part of the Hecular incorporates two cylinders. When the user wants the Hercular to act as a Single Cylinder Deadbolt they will insert a special key with a thumbturn attached to it, into the central cylinder. There is a piece inside which locks the thumbturn into the lock itself. This way it will give the user the safety of being