1.16g Digital rc servo 2. suitable for 450 helicopters 3. good quality, ... for 450 RC Helicopter CCPM! Item No.: PZ-SCM16(6V)Description: Ping Zheng 16g Digital Servo with Aluminum Middle ... type when you purchase the servo.2, Refer to the figure when installing the servo accessories.3, For engine ... , corrosive gas and humid air. 16g Mini Digital RC Servo with Alu Case and copper gear for helis and ...