The 1501MG is a metal-geared analog servo from Power HD that delivers extra-high torque normally associated with much more expensive or larger servos.
Gear Type:Copper. Torque(4.8V): 15.5 kg-cm (215.3 oz/in). Torque(6.0V): 17.0 kg-cm (236.1 oz/in). Size:40.7 x 20.5 x 39.5 mm ( 1.60 x 0.81 x 1.56 in).
Power HD-1501 MG High Torque Servo 17kg/cm 1.14s Copper Gear 1:10/1:8 Cars
Power HD 1501MG High-Torque Metal Gear Standard Servo - Nitro Hobbies
Servos
POWER HD HIGH-TORQUE SERVO 1501MG POLOLU - Motor: servomecanismo, 4,8÷6VDC; estándar; analógica; metal; 180°; POLOLU-1057
High-Torque Servo with Metal Gears (Generic)
Servo Power HD 1501MG –
Power HD 1501MG High-Torque Metal Gear Standard Servo - Nitro Hobbies
Recommendation for High Torque Servo on Robotic Arm. - Motors, Mechanics, Power and CNC - Arduino Forum
POWER HD 1501MG STANDARD ANALOG SERVO METAL GEARED WATERPROOF
Power HD High-Torque Servo 1501MG
Power HD 1501MG 60G High-Torque Analog Standard Servo With All Metal Gear 17KG 0.14 Sec For RC Car Robot Airplane Toys
Power HD 1501MG Servo -17kg