Hoppe: 16mm (5/8'' faceplate) manual tongue with shootbolt gear Gun Caddy Dormitory/Exit Function: Latch bolt retracted

Dormitory/Exit Function: Latch bolt retracted by knob / lever from either side

6 mm steel retaining screws

strike plate and mounting hardware

ACCESSORY FOR USE WITH PART #: 3912-S BLK

high-quality jewelry

Hoppe: 16mm (5/8'' faceplate) manual tongue with shootbolt gear Gun Caddy Dormitory/Exit Function: Latch bolt retracted36'' handle height manual roller shoot bolt version gear is based on your faceplate width, your backset, your deadbolt throw, your top roller position, and top extension length all of which are listed in the item title above. also see the picture above) If all your measurements are the same as above this is the gear you need. If not you need to keep searching to find gear with measurements that match yours. Many gear extensions fit multiple