Blade length 35cm. Chain speed 18.5m/s. Auto inertia chain brake for safer use. Electronic ignition with auto choke for easy starting. Weight 5.5kg. EcoBoost engine for lower emissions, increased power and reduced fuel consumption. Fully assembled. Manufacturer's 1 year guarantee. All products manufactured by Flymo/McCulloch carry a free guarantee which protects you against the cost of repairs to that product in the first 12 months from date of purchase subject to the manufacturers guarantee supplied with Flymo/McCulloch products.