Sony SU-WL900 Instructions D'installation page 6

Checking the Parts
Supplied with SU-WL900
 Verify that all the parts are included.
WM1 (×1)
WM5 (×1)
M3 (×2)
WT1 (×6)
Supplied with the TV or LCD Monitor
Wall-Mount Attachment
(×4)*
1
*1 Only for limited region/country/model.
WM2 (×1)
WM6 (×1)
M4 (×5)
VS
− 6 (EN) −
WM3 (×4)
WM7 (×2)
M6 (×4)