For door thickness X: prepare threaded rods and spindle - Digital SmartHandle AX
- Saw at hand.
- Vernier calliper at hand.
- PH2 screwdriver at hand.
- For X: measure the door thickness.

- For X: fasten the screws, threaded sleeves and threaded rods together.

- For X: mark the sawing points on the threaded rods and spindle.
- For X: use a suitable saw to cut the threaded rods and spindle.
