The 2 gas spring arms make the extension

and brick walls

The dual vesa mount fits VESA (mounting hole pattern): 100 x 100mm

<Universal Monitor Desk Mount>The dual vesa computer screen mount each could hold 4

<Swivel wall mount with an open wall plate>This swivel TV wall mount is designed with an open wall plate

Tilting TV Wall Mount for 37''-82'' TVs MU0016 TV Mount The 2 gas spring arms<TV Compatibility>The tilting TV mount is compatible with most 37 82 inches flat screen or curved TVs up to 120 lbs. Fits VESA 150x100mm to 600x400mm mounting patterns. Design for wood studs spacing up to 24 inches. NOTE: Please check the VESA, TV weight, wood studs spacing, and possible blocked cable input for a better experience. It works with most TV brands on the market, such as Samsung, LG, TCL, Sony, Vizio, Hisense, etc. <Safe & Convenient>This