uxcell Aluminum Servo Arms Double Arm 24T M3 Thread Blue, for 4 Inch

24 Thread Spline & M3 thread.Suitable for 4 Inch . Specifications24TThread: M3Material: CNC AluminumMiddle hole inner diameter: approx. 2.6mmBigger 4 holes inner diameter: approx. 4mmMaximum Thickness: approx. 5mmMinimum Thickness: approx. 2.5mmMaximum Width: approx. 13mmBody Width: approx. 8mmTotal Length: approx. 109mmDistance from hole center to hole center:4 inchColor: Blue Package Content:1pc x Aluminum Servo Arm