Welcome to our store! Plastic and Alloy Material: The thruster is made of plastic and alloy material, which is durable, wear-resistant, has high strength and a more refined appearance. Stable Pump Structure: The pump structure is stable, making the hull more flexible and easier to maneuver. It can effectively propel the vessel by reducing the impact of natural water flow. Reliable Performance: The 40mm RC boat jet pump thruster is driven by a cone and secured with anti-slip nuts to ensure stable operation and convenient maintenance of the propeller. Powerful Propelling Vessel: By reducing the impact of natural water flow, the 40mm water jet thruster is very suitable for propelling vessels powerfully. Scope of Application: Equipped with a 775 brushed motor and heat sink, the 40mm water jet thruster is applicable for the modification of various model ships and remote-controlled vessels, and is generally applicable to ship hulls of approximately 80‑120cm. Good Features: Smooth and neat surface, DIY good sailing environment, good performance, can go forward and backward. Item Type: 40mm RC Boat Jet Pump Thruster Propeller Material: Plastic, Alloy Motor Material: Iron, Copper Weight: Approx. 636g / 22.4oz Thruster Assembly Length: Approx. 210mm / 8.3in Thruster Diameter: Approx. 40mm / 1.6in Thruster Opening: Approx. 5mm / 0.2in Motor Model: 775 Working Voltage: 7.4-12V Maximum Speed: 10000-16000RPM Length: Approx. 67mm (Excluding shaft) Diameter: Approx. 42mm / 1.7in Shaft Length: Approx. 17mm / 0.7in Shaft Diameter: Approx. 5mm / 0.2in Propulsion: Approximately 80-120cm / 31.5- 47.2in Hull can be advanced Applicable Model: Suitable for the modification of various model ships and remote-controlled vessels 1 Set x Thruster (8 Accessories in total) 1 x 775 Brushed Motor 1 x Rubber Hose 22 x Screw 1 x Nut 1 x Wrench 1 x Installation Diagram Customers are our top priority. If you discover any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.