Brand New CNC Aluminum Metal Servo Horn Arm For Standard Servos 25T Titanium. I use these on all my rc cars and have been working great. 
Features:Fits for Standard 25T Single Sided Arm with 3 predrilled starter holes. Hard aluminum construction for precision and durability.Specifications:Material : Aluminum Overall length: 30mm Thickness: 2mm Color: Titanium Package Includes:1 x Servo Horn Arm