The Twin V-10 offers virtually unlimited keyways to the end-user on a geographically exclusive basis. New patents assure each user of protection against unauthorized duplication.

Cylinder housing and inner plug are manufactured from solid brass. Pins are stainless steel and nickel silver.

Precision machining insures smooth, positive operation and extended cylinder life.

Drill Resistance:
Two independent shear lines help assure optimum pick resistance. “False” grooves in the side pins catch the sidebar when improperly positioned. When rotational force is applied, the spool drivers are caught by countermilling in the plug.

Manufactured from quality nickel silver. The rounded back facilitates smoother operation and minimizes wear. The large key bow simplifies key identification and can be used by physically challenged people. Guaranteed for life against breakage under normal operating conditions.

Mortise Cylinders:
1-1/8' or 1-1/4' length specify cam.

Rim Cylinders:
Includes back plate and 2 screws. Specify horizontal,vertical or lazy motion tailpiece.

Latest Work
Fern Rock Hardware - Locksmith Services
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Phone: 215-695-4575 [map & reviews]
Dispatch point: 5957 N 5th St, Philadelphia, PA 19120
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