Enhance the performance of your remote control boats with this high-quality Ship Model Shaft Assembly, designed for durability and smooth operation. Crafted from premium stainless steel, the shaft and sleeve offer exceptional hardness, toughness, and resistance to high temperatures, ensuring long-lasting reliability even under demanding conditions. Equipped with two high-speed bearings between the shaft and sleeve, this drive shaft assembly guarantees smooth rotation and efficient power transmission for your RC boats and speedboats. Key Features: · Premium Stainless Steel Construction: The shaft and sleeve are made from durable stainless steel, providing high hardness, toughness, and excellent heat resistance for extended service life. · Smooth Operation with High-Speed Bearings: Dual high-speed bearings between the shaft and sleeve reduce friction and ensure smooth, stable performance during operation. · Precise Dimensions: The shaft length measures approximately 10cm (3.9in), with a 5cm (1.95in) shaft sleeve length and a 4mm (0.15in) motor shaft diameter compatibility, designed to fit most RC boat motors perfectly. · Efficient Propeller Design: Includes a two-blade plastic propeller measuring 36mm (1.4in), optimized for effective thrust and maneuverability in water. · Wide Application Range: Ideal for remote control boats, speedboats, ships, toy boat upgrades, and handmade boat models, making it a versatile upgrade part for hobbyists and enthusiasts. · Universal Joint Included: Comes with a universal joint that fits most motor shafts, ensuring easy installation and compatibility. Specifications: · Shaft Material: Stainless Steel · Propeller Blade Material: Plastic · Shaft Length: Approx. 10cm / 3.9in · Shaft Sleeve Length: Approx. 5cm / 1.95in · Shaft Diameter: Approx. 4mm / 0.15in · Propeller Size: Two-Blade Paddle, 36mm / 1.4in · Weight: Approx. 27g / 1.0oz Package Includes: · 1 x Remote Control Boat Drive Shaft Assembly Kit This Ship Model Shaft Assembly offers a robust and reliable solution to upgrade your RC boats, providing smooth operation, precise fitment, and enhanced durability. Perfect for both casual hobbyists and serious model enthusiasts seeking to improve the performance and longevity of their remote control vessels.