115mm Water Cooling Helm Rudder + Water Inlet + Shaft Holder for RC Boat New

Features:

- The shaft is suitable for put a 4mm propeller, with water cooling( water packup) designed for Small size Nitro / Electronic Boat Ship Deep-vee mono, Hydro or Cat hulls.

- Suitable for electric boat or small methanol tankers. lathe precision machining.

- Pure aluminum alloy manufacturing, hard, good quality



Specification:

- length: 115mm

- Material: aluminum

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