The Spacedec POS Multi HA B2B is an accessory for the Atdec Height Adjustable POS Multi Mount SD-POS-HA. It allows attachment of a second screen in a back to back configuration. This accessory features a lockable quick-release head for easy display installation and quick replacement. It has an integrated ball-joint that allows for independant tilt/pan and landscape to portrait orientation adjustment. The ball-joint incorporates tension control to for touch-screen support. 
Product ordering code: to create a dual back-to-back solution two separate items have to be ordered: SD-POS-HA(single display mount) and SD-POS-HA-B2B (back-to-back accessory). If you already have a SD-POS-HA you can upgrade it to a dual display configuration by ordering the SD-POS-HA-B2B accessory.