25 Thread Spline.
21A,Suitable for Futaba Servo Motor.
Specifications
Material: Aluminum
Head hole inner diameter: approx. 3mm
Arm hole inner diameter: approx. 1.5mm
Maximum Thickness: approx. 6mm
Minimum Thickness: approx. 2.2mm
Maximum Width: 13mm
Total Length: 39mm
Distance from hole center to hole center:8mm, 11mm, 14mm, 17mm
Color: Blue
Package Content:
1pcs x Steering Arm