The manufacturer's installation instruction indicates the following procedure

Dimensions (L x W x D): 50 x 7 x 6 mm

Source: See datasheet from manufacturer (link above)

Mounting hardware: Included for permanent wall installation

MPN: 10448

LCD holder with double arm Unit(s):Pcs The manufacturer's installation instruction indicatesLCD Monitor Holder Technical Description This LCD monitor holder is an ESD safe mounting unit from TRESTON identified as LCD screen holder ESD with double arm, product code 93049002P. The unit is designed for fixed VESA mounting patterns (VESA 75 and VESA 100) and comes in a light grey finish (RAL7035) with an epoxy powder coated steel frame. Design and Materials Type: LCD screen holder ESD with double arm Frame: Epoxy powder coated steel Colour: