PS-5521MG 20KG High Precision Metal Gear Analog Standard Servo

PS-5515MG 15KG High Precision Metal Gear Analog Standard Servo

PS-5513MG 13KG High Precision Metal Gear Analog Standard Servo

PS-5509MG 9KG High Precision Metal Gear Analog Standard Servo

PS-4806HB 6KG Plastic Gear Analog Standard Servo

PS-4503HB 3KG Plastic Gear Analog Standard Servo