Mortise Cylinder Locksets. This handmade lockset is perfect for doors anywhere in your house. The lockset, completed in hand-forged black iron, is a beautiful design highlighting the exterior and interior of your doors. This model is easy to assemble, simple to use, durable, and resistant to wear. The look of this lockset is aesthetic and formal, but the design is effective in homes of any style: From rustic to modernized, the lockset with being an elegant touch to your home, regardless of its appearance. Acorn's Mortise Cylinder Locksets are designed for doors 1.75" thick only, specify if other than 1.75". Stifle width: Min 4.25". Recommend 4.5". Cylinder locks are included with all entry sets. Standard backset 2.5". Special order for 2.75' backset. Acorn's Iron Art is forged in Europe and due to the handmade nature of the product, all dimensions are approximate.