Auxiliary Lock Brz Product description Kaba Ilco Bronze Steel Auxiliary Lock From the Manufacturer Features a solid brass cylinder. 1" throw deadbolt with hardened steel revolving bolt inserted to prevent cutting and an extra long deadbolt to give extra security. Modern case styling covers door defects. Case: rustless, durable alloy. Outside operationby key, inside by thumb turn. Features Replaces most night latches with no additional drilling or mortising required Operates by key outside, turn knob inside 2 strikes furnished for opening door in or out Bolt extends 3/4" Finish: Brass USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.