2 Pack Universal Joint Shaft Coupler Coupling Steering Connector for RC Car Crawler Boat,4mm to 3.175mm

Feature: Made of stainless steel,durable. 360 degree rotatable universal joint. Ideal accessories for RC Model motor, such as airplane boat model. Metal joints for use in direct-axis motor, motor for the brush motors and small brushless motor. Parameters: 4mm to 3.17mm: Hole diameter:one is 4mm,the other is 3.17mm. Universal joint outside diameter:9mm Universal joint length:22mm Holding screw size:M3 Package include: 2 x Universal joint(4mm to 3.175mm) 4 x Holding screw Note: The color of the item may vary slightly due to photography and your own computer