Item Type: RC Helicopter Servo Material: Plastic Colour: Black Applicable: For WLtoys Remote Control Aircraft V912, V912 A Package List 1 x Servo 1 x Servo Arm 1 x Screw 1Applicable Model: Replacement helicopter servo can be installed without damage, suitable for wltoys V912, V912 A and other remote control helicopters. 2Plastic Material: Plastic steering servo is made of plastic material, which is wear resistant and durable and can be used for a long time. 3Perfect Substitute: replace broken, damaged, cracked and unusable servos, easy to use and fast to use and stable in performance. 4Exquisite Workmanship: high processing accuracy, stable and reliable. Exquisite workmanship, exquisite appearance design, small and portable. 5Easy Installation: Reasonable design makes installation and disassembly simple and convenient, providing you with a good experience.