The HS-785HB Sail Winch Multi-Rotation Servo Explained - YouTube
SINGAHOBBY S30MG Sail Winch
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W5513 6T JX 6 giri 10kg servo per verricello a vela con ingranaggio in metallo Standard per motore DC per Yacht RC 0.09sec SW5513 6MA|sail winch| servo servometal gear servo - AliExpress