Raboesch Precision Propshaft. Totally maintenance-free propeller shafts developed for finer-scale models and submarines. The bearings are brass & bronze.
Overall tube length: 228mm
Overall shaft length: 290mm
Tube diameter: 4.5/8mm
Shaft: Stainless Steel.4mm diameter, motor end plain with M4 thread for propeller
Bearings: Front - bronze, rear - hard bronze
Maximum RPM: 10,000 (In the water)