EcoPower ECP3110 Aluminum Clamping Servo Horn (25T)

 Features:

• Clamping design
• 16.5mm and 20mm hole spacing (measured from output shaft screw hole, to linkage rod holes, center to center)
• Dimensions (LxWxH): 30x9x7mm
  
• 3.5mm thick arm
• 25T Spline EcoPower Output Shaft
• Linkage holes threaded for 3mm hardware