Unique aluminium and polymer construction, Strong light weight aluminium skeleton chassis. Can be used without collection bag as a rear discharge mower . Built with Briggs and Stratton engines for reliability, easy starting and low emissions . Front fins that noticeably improve the quality of cut and grass collection Rear wheels independently driven for easy turning. Rubber rimmed wheels with ball race bearings. Handlebars fold within length of machine requiring less storage space. Smooth high impact ABS polymer underdeck for improved collection and reduced noise. 7 height of cut settings controlled by a single counterbalanced lever. Comfortable full handlebar width Operator Presence Control for safe operation. Fabric grassbag can be lifted through the handlebars for easy emptying 3 year warranty. Friction disc protects the engine crankshaft against accidental bending. Lifetime crankshaft guarantee.