Features: 
Unloading strength design
The bolts can secure the split-clamp onto the servo output
Hard aluminum construction for precision and durability
Suit for Most 25T Standard Servo Motor, Such as Futaba Savox HD Power Xcore HL HSP etc

Specifications: 
Servo Arm size: 25T
Color: Black/Red
Material: CNC Aluminum
Total length: 61mm(2.4in)
Width: 11mm
Mounting hole: 6mm
Weight: 2g/pc

Package List: 
4 * 25T Servo Horns