24 Thread Spline & M3 thread.Suitable for 2 Inch . Specifications24TThread: M3Material: CNC AluminumHead hole inner diameter: approx. 2.5mmMaximum Thickness: approx. 5mmMinimum Thickness: approx. 2.5mmMaximum Width: approx. 13mmBody Width: approx. 8mmTotal Length: approx. 63mmDistance from hole center to hole center：2 inchColor: Blue Package Content:1pc x Aluminum Servo Arm with Screw.
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