In response to a client, the EFW 6345 support 45 Kilos. I mounted my 132cm LCD and there is margin issue weight! However, it is advisable to follow certain rules on materials (solid and hollow) and choose depending on fixing them. For information I advise ankles or lag 16 to 21 cm for walls with hollow blocks or breeze blocks so that they pass through the insulation and the supporting wall. I also suggest fixing "chemical" for loose walls, or ankles to solid walls (always 16 or 21cm, drilling diameter 10mm minimum. PS: all hardware in the package of the EFW 6354 is not necessary, as provided for multiple models described in the manual. I gladly reciprocate with other technical issues. Sincerely. Martial.