Ideal accessory for RC model engines, such as aircraft boat models.
Specification:
Colour: golden colour.
Material: copper.
Thread Size: M3
Net weight: 8g
Connection diameter: 4 mm to 5 mm / 0.16 inches to 0.2 inches.
Total size: 20 x 9 mm / 0.79 inches x 0.35 inches (L x D).
Package contents:
1 x shaft coupling.
4 x screws.