Features: 1. Made of high quality material, and wear- 2. Performance: 25t servo arm completely matches the installation position, and the three installation hole design. 3. Mounting Positions:1.5 inch / 1.75 inch /2.0 inch (Measured From Hole Center To Hole Center) The same specification for both heads is 25T, which means that one servo arm has 3 lives 4. Easy in Install: Steer horn is easy and convenient to install and remove, easy for carrying. 5. Suitable for RC Car RC Airplane 25T servo Specifications: Item Name: 25T RC Servo Arm Number of Teeth: 25T Hole Distance: .38.1mm(1.5inch) /44.45mm(1.75 inch)/50.8mm(2.0 inch) Color: Red Material: Aluminum Package Contents: 1 * 25T Servo Arm kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.