This is a Tool Holder designed to hold all the tools issued with an Up! Mini. It will also fit to the right hand side of an Up! Plus or Plus 2, and the similar Afinia's, not sure about the Up! Box.
It uses one of the standard screw holes on either side of the printer.
It has space for the following tools:
1x Side Cutters / Flush Cutters / Wire Cutters
3x Alan key (4.5/4/3.5mm holes)
1x Scraper (hanging)
1x 15mm Ruler (hanging)