uxcell RC Boat Drive Shaft W Propeller and Coupling Joint Assembly Kit, L250mm Shaft, L200mm Sleeve, D36mm Three-Propeller, Fits 3mm Motor Shaft

The RC Boat Drive Shaft Assembly Kit is specially designed to improve the performance and functionality of your DIY RC model, providing a reliable and efficient system. It's suitable for various types of model boats, including RC boats and RC submarines. Propeller: 36mm/1.42in; Shaft Length: 250mm/9.84in; Sleeve: 200mm/7.87in; Coupler: 25 x 10mm/1 x 0.4in (Diameter x Length); Motor Shaft: 3mm/0.12in. Package Includes: 1 RC Boat Drive Shaft Assembly Kit. The RC Boat Drive Shaft Assembly Kit is made of 304 stainless steel, which offers greater hardness, strength, and rust resistance than aluminum alloy shaft sleeves. Both ends of the shaft sleeve are equipped with high-speed flange bearings, improving smooth boat shaft transmission and high transmission efficiency. The kit includes the drive shaft, propeller, universal joint, cross shaft wrench, and screws. Install the pre-assembled drive shaft carefully into your RC boat and follow the instructions for your specific model. This ship assembly is equipped with bearings between the shaft and shaft sleeve to ensure outstanding concentricity for smooth and efficient power transmission. This design doubles the transmission efficiency.