Enhance the security of your doors with these Marks 15/16” Mortise Cylinders. The cylinders are made of polished brass and come with two keys that are keyed alike. These contemporary original mortise locks are perfect for anyone looking to upgrade their security. The mortise cylinders are designed for use in mortise locks commonly found on iron gates /security doors The brass material ensures that the locks will last a long time. The locks are new and come in gold / brass color. They are perfect for use in iron gate hardware and architectural and garden items. The cylinders are very easy to replace.