The Old Style with Pins and New Style with Teeth are not interchangeable
This Lock Case is only used o Current Styles, Can not be used on older Roto Locks.
New style Roto MP lock gear box for current multipoint locks.
This lock has alligator teeth at top and bottom for easy connection to upper and lower extensions
Please note that old style locks have pins - See additional Pictures
Faceplate Width: 5/8 inch (16 mm)
Faceplate Length: 15-3/4 inch (400 mm)
Backset: 1-3/8 inch (35 mm)
Markings: H 35/92 1113
Markings : Roto on faceplate
Latch: Combination of metal and Plastic
Lift handle to engage locking devices and extend deadbolt
Turn cylinder thumb turn or Key to secure door in locked position.
Turn cylinder thumb turn or Key to unlocked door.
Depress Handle to Retract deadbolt and unlock door
To Change Handing of Spring Latch:
1. Insert small screw driver into the round hole above latch
2. Push down on screw driver handle
3. Remove Latch and reverse, then push back into lock body
SPECIAL NOTE: This Gear box has Teeth on both ends, the others have Pins.
Compare all features for replacement