This is an extension for standard RC key (https://aliexpress.ru/item/4000544462963.html?sku_id=10000002797205382&spm=a2g2w.productlist.search_results.0.439826b6ydvL12). It is needed for tightening nuts during snow tracks mount:
To make it, you need to cut a standard key into two parts and glue them with epoxy glue into the printed part.
The easiest way for tightening nuts is a normal RC tooll like this: https://aliexpress.ru/item/32955305481.html?sku_id=66639356368&spm=a2g2w.productlist.search_results.6.439826b6ydvL12
7MM_5.5_MM_NUT_DRIVER_RC.m3d | 456.0KB | |
Nut_Driver.stl | 4.4MB |