Cylinder

Hager 3901 Rim Cylinders with Large Format Interchangeable Core Keywasy are best suited for heavy commercial applications. The inner core (not provided, can be purchased by selecting H3919) containing the keyway, is removable with a control key and changeable for security purposes. It is machined from solid bar brass and is shipped with the collar, mounting plate, and breakoff screws.

Hager 3902 Mortise Cylinders with Conventional Keyway is available in choice of Schlage C or Hager Keyways. It is machined from solid bar brass and is shipped with 3975 standard cam attached and 3972 Adams Rite cam loose in the box. 

Hager 3902 Mortise Cylinders with Small Format Interchangeable Core Keyways are best suited for heavy commercial applications. It is machined from solid bar brass and is shipped with standard cam attached and Adams Rite cam loose in box (specify if different).
Cores sold separately. 1/4” blocking ring included.

Hager 3919-Z is a LFIC zero bitted core with Schlage C Keyway and 6 pins. It includes 2 key blanks. Made of Solid Brass. See below for choice of finishes and options.

Hager 3981 SFIC Construction Core comes in blue or red and is keyed alike with Best A Keyway. It is combinated with 6 pins and includes 2 operating keys.