This is M VESA Desktopmount Dual Stand Expansion Kit. A heavy duty dual monitor expansion kit desk stand that is combined with the M VESA Desktopmount Dual Stand. This extends the M VESA Desktopmount Dual Stand (sold separately) to a 4 monitor installation.
You could also make a throu-hole installation with the M Desktopmount Grommet Base (sold separately as art: 7350022737433 )
