Nylon Prop Washer $1.00 for 3 pcs
Put between Drive Dog and the shaft outer Tube.
Weight 0.08g (Shipping weight 10g)

Inner Diameter (mm) x Outer Diameter (mm)
3.18 x 7
4 x 8
4.76 x 10
5 x 12
6.35 x 13

Available Options:

Diameter:
3.18mm4mm4.76mm5mm6.35mm