Peerless-AV CMAL Round Column Mount for Digital Signage DisplaysThe Peerless AV Round Column Mount is the perfect, indoor solution for mounting digital signage displays around 7. 9" to 31. 5" (200 800mm) round columns. The CMAL offers a plethora of features for safe and easy installation, and is compatible with nearly all of Peerless AVs SmartMount products, including landscape and portrait mounts. Ideal for stadiums, arenas, and more, the Round Column Mount provides a solution for attaching digital signage