Bus2 HV Ultra Torque All Metal Case Servo. Includes: HV BLS177SV UHT S. Bus2 Servo with Instructions and Mounting Hardware 0.83″ (21mm) diameter Round Horn 1.8″ (45mm) diameter Round Horn 1.52″ (38.7mm) four point Horn 1.2″ (31.5mm) six point Horn Features Brushless motor offers incredible holding power and 5X longer life than servos equipped with […]