9g Digital Servo Positive with 200mm Lead - Designed for T-7 Horizontal Stab, Tasman Flap, Su-27 Aileron/ Swift Flap, F-22 Steering &Left Elevator for Xfly-Model 4 CH T-7A Red Hawk 64mm / 5 CH Tasman 1500mm / 4 CH A-10 Warthog Twin 50mm / 5 CH Swift 2100