This is the Futaba S3306 High Torque/High Speed Servo for 1/5 Scale Cars. FEATURES: Ideal steering servo for 1/5 scale vehicles High speed High torque Dual ball bearings Nylon gears One year limited warranty INCLUDES: Futaba S3306 1/5 scale High Torque/High Speed Servo Two grommets Four screws Four eyelets Two White plastic servo horns (arms) 1- "X" 3.8" (98mm) diameter 1- "6-arm" 3.5" (88mm) diameter SPECS: 4.8V 6V Torque: 267 oz-inch (19.2kg/cm) @ 4.8V 333 oz-inch (24.0kg/cm) @ 6.0V Speed: 0.20 sec @ 60° 0.16 sec @ 60° Size- 2.6 x 1.2 x 2.3 in. (2-5/8 x 1-3/16 x 2-1/4") (66 x 30 x 57mm) Weight- 126g (4-7/16oz)(4.4oz) Output Shaft Diameter: 8mm COMMENTS: For the Case Set, order FUTM3002 For the Gear Set, order FUTM3412 FutabaPart FUTS3306