Freez-axis knob with hole for M4 for faster spinning - fits on lead screws for e.g. Ender 3, CR10, CR10s Pro, A10 or A10MThingiverse
FreeHole Tolerance Gauge For Designing 3D Prints With Screws and Eccentric Nuts M3, M4, M5, M6, M7, M8Thingiverse