IDS horns set type KST (6-sizes). New reinforced version for KST servos. Suitable for pin 1.0 x 10 millimeters. A set with 6 different servo arms is supplied. Effective Lever Lengths: 4.5mm, 5.5mm, 7.0mm, 8.0mm, 10.0mm, 11.5mm. Please note: IDS fork set type KST (6x) only fits KST servos, does not fit X-08 servos. Price per piece (set)