The Ryobi RCS4240B is a powerful 42cc PoWR XT 2 stroke chainsaw, fitted with a 40cm bar to make light work of tree or large shrub removal in even the most challenging domestic garden. It features a 2 position carburettor to make starting easy and effortless. The tool-less chain and bar adjustment allow quick and easy chain tensioning. With a quick stop chain brake, and automatic chain lubrication. Dont forget your rac222 (2769985) replacement chain, or rac212 (1917518) replacement bar. Model number: RCS4240B. Chainsaw features: Power 42cc. Chain bar length 40cm. Cordless. Chain speed 23.8m/s. Automatic chain lubrication. Oil level indication. Quick stop chain brake. Rapid reaction kick-back brake. Features a safety trigger, safety guard . Anti vibration system - minimises vibrations allowing you to work more efficiently. Blade protection cover. Tool free chain assembly allows for simple fitting and chain adjustment. Weight 5.4kg. Manufacturers 2 year guarantee.