The 1-1/8" Turn Knob Mortise Cylinder with Adams Rite Cam is a component for door security systems. This mortise cylinder features a turn knob for manual operation and is equipped with an Adams Rite 863A cam. It is constructed with a Duracolor Brown Aluminum finish and a Dark Bronze Anodized Aluminum color. This cylinder is designed for use in mortise lock applications. The 1-1/8" length is a standard size for various door thicknesses in commercial and architectural settings. The turn knob mechanism allows for convenient manual locking and unlocking from the interior side of a door. The Adams Rite 863A cam is specifically engineered for compatibility with Adams Rite mortise lock hardware, ensuring proper engagement with the locking mechanism. The Duracolor Brown Aluminum finish provides a uniform appearance that integrates with existing door hardware. This mortise cylinder is suitable for storefront doors, office entries, and other architectural applications requiring reliable manual access control. The unit is designed for straightforward installation into standard mortise lock housings, providing a functional interface for door security.