Specification: Item Type: RC Motor Shaft Material: Stainless Steel Color: Silver Weight: Approx. 56g / 2.0oz Length: Approx. 52.5mm / 2.1in Diameter: Approx. 4mm / 0.2in Applicable Model: Model Aircraft, Remote Control Car, Boat Package List:10 x Motor Shaft Enhanced Durability: Made from high-quality stainless steel, these motor shafts are highly resistant to corrosion, ensuring long-lasting performance for your remote control car, boat, or airplane. Precise Fit: With a diameter of 4mm, these motor shafts are designed to perfectly fit most brushless motors, providing a secure and stable connection. Smo-oth Operation: The stainless steel construction of these motor shafts ensures sm-ooth rotation, minimizing friction and maximizing the efficiency of your RC vehicle. Easy Installation: These motor shafts come in a set of 10, providing you with ample replacements or spares. The straightforward installation process allows for hassle-free maintenance and repairs. Versatile Use: Whether you're a hobbyist or a professional RC enthusiast, these motor shafts are suitable for a wide range of remote control vehicles, offering reliable performance and improved control.