1100% brand new and high in quality 2Suitable for HSP 16/18/21CXP engine 3Easy and convenient to install 4Made of quality materials, which are solid and durable for long term use 5With perfect workman and precise sizeFeatures:100% brand new and high in quality.Suitable for HSP 16/18/21CXP engine.Easy and convenient to install.Made of quality materials, which are solid and durable for long term use.With perfect workman and precise size.Specification:Condition: 100% Brand NewItem Type: RC AccessoryMaterial: Plastic + MetalColor: BlackStarter Drill Cover Size: Approx. 20.3 * 9 * 4cm / 8.0 * 3.5 * 1.6inchWeight: Approx. 420gPackage list:1 * Rotor Starter Drill Cover1 * Bag of Screws2 * Rotor Starter Gear Accessories1 * Rotor Starter ShaftNote:Battery and charger are not included.Startup time should not be more than 5 seconds; 2-3 seconds is normal.When the engine is stuck, please don't continue to use it to avoid damaging the gear.