Upgradable to carry additional display: Yes, Material: Steel, Colour Options: Black, Maximum desk thickness allowed (mm): Any, Spring assisted height adjustability: No, Rotation around pole: No. The APAS-HA-P400 is just one off-the-shelf solution in the Atdec Point of Sale and Payment modular mounting family. Each solution can be upgraded to include accessories including additional arms, pinpad, keyboard and printer holders, and credit card terminal stands.