National Hardware National Hardware N199-703 V837 Sliding Dead Bolt/Chain Guard Solid Brass

National Hardware National Hardware N199-703 V837 Sliding Dead Bolt/Chain Guard Solid Brass Series: V837; Finish: Solid Brass; Material: Hardened Steel; Fasteners: 1 x 6 Sheet Metal Screw; Dead Bolt/Chain Guard; Sliding; This combination dead bolt and chain guard is designed for added security; Partial opening of the door is permitted for ventilation or viewing while resisting possible forced entry; Can be installed on either wood or metal doors; Includes an additional strike for use as a dead bolt; Case-hardened steel chain is for added strength and cut resistance; Durable steel case strike and bar;