Hoppe Arrone AR/D-195 MC Digital Push Button Door Lock Key Pad Code. The Hoppe Arrone range of mechanical digital locks is designed to offer a simple and convenient means of providing moderate security for low to medium traffic areas such as storerooms, workshops, plant rooms and offices. These mechanical units are operated by a digital push button code of up to seven digits. The Arrone has a distinct optional hold open function featuring a reversible snob on the back plate, giving the choice of hold open or always locked. A simple mechanical push button digital solution where simplicity and convenience of use are paramount. Suitable for areas which require restricted but convenient access. Features, Compact design is easy to fit with all parts and fixings included, cast zinc alloy body, tubular latch mechanism with 60 mm back set: 130 mm fixing centres, rubber backing plate supplied for protection from weathering effects to external doors, spindle can be cut to suit doors between 33 mm and 55 mm thick, successful fire test to BS EN1634 part 1. Assessed for use on 30 and 60 minute timber fire doors. What is in the pack? key pad, latch with optional snob, door bolt and amp; keep, fixing pack, template and fixing instruction sheet. Suitable for areas which require restricted but convenient access: offices, workshops, storerooms, stockrooms, document stores, archive rooms.