8031 - Solid Brass Traditional Single Cylinder DeadboltBaldwin 8031 Solid Brass Traditional Deadbolt Features Traditional Round Deadbolt is well crafted and is a perfect fit for any exterior home door; Single Cylinder, 1. 625" Door Prep Beneficial Low Profile cylinder design, 0. 5" projection Familiar and incredibly dependable, this deadbolt, in its assuring and traditional style is timeless and classic. Accommodates door thickness of 1. 75". Thick Door kit available for 2. 0" and 2. 25" thick doors