DUBRO SERVO ARM JR & AIRTRONIC

Item Number: DUB674"Super Strength" arms will fit the bill.Features: Gray fiber-reinforced composite plastic servo arms forJR servos.Includes: 4 short, 2 long servo arms that extend in one direction from theservo center; one long arm that extends in two opposing directions fromthe servo center, and one 3-arm horn.Specs: Short: Mounting holes at: 7, 10 and 12mm. Total length-16mmLong: Mounting holes at: 8, 10, 13, 16, and 19mm Total length-22mmDual: Mounting holes at: 6, 10, 12, 16, and 18mm Total length-22mm3-arm: Mounting holes at: 7, 10, 13, 16, and 19mm Total length-22mm* All measurements are from the center of the arm. The dual and 3-arm areonly from one side to center. Actual overall length for both: 44mm* Fits the JR servos with splined output shafts.