Multibrackets M FLEXARM PRO EXTENDERKIT, 1200X900

Multibrackets M Extender Kit Push HD 1200x900 — Mounting component ( extension brackets ) for LCD / LED panel — black — screen size: 55" — 110" — mounting interface: 1200/900/800/600 x 900/800/600 mm — wall-mountable.
If you need to extend the VESA spec of the M Universal Flexarm Pro 125kg Super Duty to 1200x900 this bracket is needed.