Rockwell Sentinel Tongue (ST) Version Multipoint Lock for American Entry Doors
Three (3) Locking points, center deadbolt, top and bottom tongue
Used on Peachtree 600 Series, Bilt Best and other wood, steel and fiberglass doors

Door Panel Size: 8-0
Overall Lock Length: 79-1/2 
Upper Tongue: 46 inch (1168.4mm)
Lower Tongue: 22 inch (558.8mm)

Face Plate Width: 3/4 inch (20mm) 0.787
Face Plate Material: Stainless Steel 
Backset: 2-3/8 inch (60.3mm) 2.37
Hole Centers: 5-1/2 inch (139.7mm) Center of Deadbolt to center of Handle
Deadbolt Throw: 1 inch (25.4mm)
Spring Latch Throw: 1/2 inch (12.7mm), 45 degree turn
Faceplate: 0.787 / 25/32 inch ( 20mm) Eurogroove application
Spindle Hub Diameter: Square 1/4 inch 6mm 0.2362

Handing: Reversible, remove latch screw
https://www.rockwellsecurityinc.com/wp-content/uploads/2020/10/73228780.-INS.pdf

NOTES:
Available for 6-8 or 8-0 doors, Painted Steel or Stainless Steel Faceplates

The Tongue version will work with lever/lever handles and with the grip handlesets.
The triple latch version will only work with lever/lever handles and will not work with the grip/teacup handle sets.

Function: 
Baby sitter type locking device. Close door and turn key or thumb turn to engage tongues and deadbolts, it is not necessary to lift handle to lock door.