The single-sided metal steering arm is used on the output shaft of the steering gear or the shaft of the DC motor to play a transmission role. The side of the fixed hole has a top wire. It can also be used as a crank connecting rod. Generally used on models. Hole Center Distance(Measured From Hole Center To Hole Center): 22mm/0.86 Inch; 17mm/0.67 Inch; Servo output aperture: 3.1mm; In the package of: 1 x Aluminum Servo Horn. Aluminum CNC machined for precision. Hard aluminum construction for precision and durability. Remove the servo horn from the installed servo, attach the steering link to the new servo horn, slide the servo horn onto the output shaft and secure it with the main center screw. The package included only the servo Arm, the servos are not included. Size Small Theme Car Brand Name MECCANIXITY Manufacturer MECCANIXITY Model Number mea220609ee0608 Material Type Metal Operation Mode Automatic Number of Players 1 Age Range Description Kid Educational Objective Game, play Manufacturer Part Number mea220609ee0608 Manufacturer Maximum Age MONTHS 720.00 Manufacturer Minimum Age MONTHS 252.00