This is a tray to preform maintenance or other stuff on your knife to keep it organized and clean. There are slots to hold torx bits I used T6 through T10. There is also a slot to hold the Blade Knife Oil or KPL lube.

Here's the link to the bits I used, https://www.amazon.com/gp/product/B088ZNN779/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1

Here's the link to the knife oil I used, https://www.amazon.com/gp/product/B09CQBBG7X/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1

Here the link to the bit driver I used, https://www.printables.com/model/513376-thumb-driver-grip-for-14-hex-bit