Hoppe: 16mm automatic 2-roller gear with extension included Fuhr Door Hardware one person has the key

one person has the key and the other has the combination

20mm Faceplate Gear

replacement for mechanical SFIC without any hardware modifications

Materials: Brass body and plug

Hoppe: 16mm automatic 2-roller gear with extension included Fuhr Door Hardware one person has the key36'' handle height Automatic roller version gear is based on your faceplate width, your backset, your deadbolt throw, and bottom roller position all of which are listed in the worksheet above If all your measurements are the same as above this is the gear you need. Also, note these gears are sold in sets only which include the extensions. So you NEED to choose a top extension as well. The extension is based on top roller position(see illustration)