This CNC metal construction makes it more durable than plastic arm, and it come with pre-drilled starter holes, which is double fixed. It also can adjust the neutral point so that it is convenient for you to use.<br><br>Features:<br>Easy to install.<br>High quality and light weight.<br>Can adjust the neutral point.<br>All come with pre-drilled starter holes.<br>Metal construction makes it more durable.<br>Suits for KST servos.<br><br>Specifications:<br>Brand: KST<br>Item model: CNC metal servo arm<br>Color: Red<br>Hole diameter: 10mm<br>Inner spline: 5mm <br>Suit for: KST servos<br>Size: 28 * 12 * 7mm<br>Weight: 3g<br><br>Package Information:<br>Package size: 4 * 1.5 * 1cm / 1.6 * 0.6 * 0.4in<br>Package weight: 3g / 0.1oz<br>Adhesive tape package<br><br>Package List:<br>1 * KST 25T CNC Metal Servo Arm<br>2 * Screw