RC Boat Hard Drive Shaft Kit 304 Stainless Steel Ship Accessories CW/CCW Propeller Shaft And Sleeve + Nylon PC Propeller+ Universal Joint Connector Shaft assembly

LIRVIRTIRC Unisex 8 Years and Above. Number of propeller blade: 3. propeller material: High hardness PC. propeller withstand strength: 20000 RMP. propeller diameter: 44mm. Drive shaft sleeve length/shaft length: 5cm/10cm, 15cm/20cm, 20cm/25cm, 25cm/30cm, 30cm/35cm. Transmission shaft and sleeve material: High quality 304 stainless steel. Coupler Type: Universal joint. Suitable motor shaft diameter: 2mm, 3.17mm, 4mm, 5mm. Transmission shaft composition: Seal ring 6 bearing*2 transmission shaft 1 sleeve 1 ABS fixed column 2. Drive shaft limit speed: 60000RPM. Diameter of drive shaft kit: drive shaft-4mm/shaft sleeve-9mm. Tip: The connector can be turned from 0-45°, and the diameter of the motor shaft is 2mm, 3.17mm, 4mm, 5mm. Please select the appropriate connector aperture according to the diameter of your motor shaft and drive shaft length. Please select the propeller direction you need, we will package and ship it according to your choice. The diameter of the drive shaft is 4mm, and t