Multipoint Fuhr sliding patio door lock with 3 hooks for 6-foot 8-inch Door.

Face Plate Measurements: 5/8 Wide x 64-5/8 inches long.
Hooks: three hooks, two below the handle, one above.
Bottom Hooks Located: 8-1/2 & 24-1/4 inches from the tip of the hook to the center of the handle.
Top Hook: 20 inches from the tip of hook to center of handle, When door is in unlocked position.

Some doors have a top section to extend the lock to the top of the door.  These extensions are no longer available and must reuse original

Lock Body Measurements:
Backset: 1-3/8 inches - measured from the edge of lock to center of handle
Handle / Key Spacing: 4-3/4 inches - distance from the center of spindle to center of key (cylinder will not operate when in unlocked position)
Sticker on some locks: U2/KOP

Related Fuhr Sliding Door Locks:
40211 - backset 1-1/8" (28mm)

Troubleshooting: How to Open a Stuck FUHR Sliding Glass Door Lock