Use: Vehicles and Remote Control ToysUpgrade Parts/Accessories: GearFor Vehicle Type: CarsModel Number: 1550RC Parts and Accs: Arm Driving Servocolour:blackMaterial: plasticsize:5cmPackage Contents:3 * excavator modified screwOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.