Hoppe: 16mm (5/8'' faceplate) manual tongue with shootbolt gear T - Series 3/16" solid steel door and

3/16" solid steel door and flange

the HDS-03K weighs 31 lbs and is one of the highest quality and toughest drop safes for it's size

Exterior Dimensions: 59 (H)x 36(W) x 26(D)

30 foot impact rated

There is a piece inside which locks the thumbturn into the lock itself

Hoppe: 16mm (5/8'' faceplate) manual tongue with shootbolt gear T - Series 3/16" solid steel door and36'' 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