Devon&Devon Majestic Instructions De Montage page 24

8)
At this point, it is important to check that the structure of the
shower is at 90° to the wall.
9)
To position the screws (E), pre-drill the uprights of the shower
door at four points (two at the top and two at the bottom) using a Ø
2.5mm iron drill bit.
23
E
N
G