Standard • A standard cylinder offers more protection than a lever lock, in that the key number cannot be purchased off the shelf. Keys can only be made from the original by a locksmith. But a standard cylinder does not offer protection against unauthorised copying of the key. That can only be achieved by purchasing a masterkeyed cylinder • Available in multiple variations IE double cylinder (where keyed entry access is required from both sides of the door. • Half/single cylinders (where keyed entry access is required from only one side of the door) • Thumb turn/ knob cylinder (for convenience, no key is required to operate the cylinder for locking/unlocking the door from the inside, simply turn the knob) Available standard finishes (satin nickel, polished/satin brass, polished/satin chrome, black) Special finishes available on request (antique brass/silver, rose gold, polished/satin nickel. Family owned business started with three staff members in 1982 importing and assembling padlocks. Now run by the third generation son, Warren. They stock over 3000 different CISA products and employ over 80 people!