SIGMF55 Slot.It Lock Ring for M Crown Gear using 5.5 Pinion

Slot.It

$5.99 
SKU: SIGMF55

SIGMF55 Slot.It Ferrule Lock Ring/Collar for Modular Inline Gear using 5.5mm pinion.  This is the part that keeps the motor shaft and washers included with the modular inline gears ("M Crowns") in place.

For more info, see the document prepared by Slot.It (PDF format).