L10cm 4-Blade Propeller Kit for 4mm Motor Shaft Left and Right Waterproof RC Boat Propeller Kit

Specification:
- Shaft length 10cm/shaft sleeve 05cm; shaft length 20cm/shaft sleeve 15cm; shaft length 30cm/shaft sleeve 25cm
- Shaft sleeve outer diameter: 9mm
- Axis: 4mm
- 4-blade propeller: 55mm positive and reverse propeller (left and right propeller)
- Coupling: 4 x 4mm

Package Included:
- 2 x Shaft
- 1 x Pair of Propeller
- 2 x Coupling