Solid Zinc diecast Material Pacific Doorware Brand Thumb turn , Adams Rite style Cam Fits Most Storefront Doors Includes Thumbturn & Trim Ring Standard 1-inch Length , Standard 1-5/32" Diameter Mortise Cylinders Threaded to screw into mortise lock body. Features a Standard 1-5/32-Inch Diameter. The lock cylinders have adams rite cam for use with Kawneer, Adams Rite, and most other storefront locks. Note: If your lock is not threading in, try loosening the lock body mounting screws.