Futaba Systems S9177SV S.Bus High-Torque Airplane Servo

Key Features For airplane usage Dual ball bearing output Metal gears May be connected to a PC by using the CIU-2 USB adapter not included, separate purchase required May be used in SBus and SBus 2 ports Aluminum center case for efficient heat dissipation icon-boxIn The Box (1) S.Bus2 S9177SV Servo (1) 0.83" (21mm) diameter Round Horn (1) 1.8" (45mm) diameter Round Horn (1) 1.5" (39mm) Four Point Horn (1) 1.2" (32mm) Six Point Horn Four each Grommets, Eyelets and Mounting Screws Servo Horn Screw Instruction Sheet