Feature:1. Stable Fixing: 25 teeth design guarantees stable fixing as well as reliable working performance with high efficiency.2. Perfect Match: With 8mm hole spacing, the servo arm will perfectly match with various beams and grid based projects.3. Practical Use: Can work as a connecting part to control link, flap, lever, push rod and so on, has wide application.4. Good Material: Adopting high quality aluminium alloy material with a sturdy structure, also has a long service life.5. Easy to Install: Designed to have a compact size and a light weight, the installation is very convenient for finish.Specification:Item Type: Servo ArmMaterial: Aluminium AlloyTeeth: 25 TeethTotal Length: Approx. 72mm / 2.83inHole Size: Approx. 4mm / 0.16inHole Spacing: Approx. 8mm / 0.31in Package List:2 x Servo ArmNote:Match the appropriate designed size before use.