Rubbermaid Partition Hangers, Letter/Legal/A4, Set of 2, Black (18351) Make the most of limited cubicle space. Partition hangers turn your Stak-A-File, Unbreakable or Ultra Hot File wall files (sold separately) into hanging wall files. The reversible clip adjusts for wall panels from 1 to4 inches thick. Works with letter, legal, and A4-sized documents and files. Vertical organization saves valuable desk space. Vertical organization saves valuable desk space. Made in the USA.