New hardened deadbolt anti-rotation design Includes 2 stainless steel keys with ergonomic design to reduce the amount of torque and keep them from bending or breaking Includes side mounted snap-in bracket Disc style cylinder with center keyway 12mm 3.25x6`/8.25x15.24cm Mini Blk 5 of 10 Included 4189UPC/EAN/GTIN: 720018004189