DJI Phantom 3 Standard Gimbal Yaw Arm Combo Replacement DIY KIT HRC55 Aerometal Al-Mg-Si Alloy CNC Manufactured (Made in USA) For DJI Phantom 3 Standard Model Yaw Arm Replacement HRC55 Surface-anodized Aerometal Aluminum (Al-Mg-Si Alloy offers perfect hardness.) CNC Manufactured Made in USA Free Screws and T6 Torx screwdriver Light Weight 8g, Easy Installation