1. Mount the rubber feet.
2. Insert the boart and tighten the 4 pan head screws.
3. Close the lid and tighten the 4 countersunk screws.
4. Din rail clip for DIN Rail Mount (NOT INCLUDED)
https://kksb-cases.com/products/kksb-din-rail-clip-including-screws?_pos=2&_sid=b56ca8cc8&_ss=r