This is the carrier frame/basic unit (to which various grass care tools can be attached) for the SCH 40 (1016mm) Grass Care System. The frame consists of the tow bar, weight tray, two transport wheels, & two 25 litre ballast tanks. Various products (firming roller, moss rake, slitter, aerator, dethatcher, & sprayer) can be purchased & attached to this basic unit to perform a variety of essential tasks on your grass & around your garden. Not only is this a cheaper way to acquire a variety of towed accessories, but storage space is saved (compared to storing individual task-specific towed accessories). The various attachments for this machine are in our online catalogue at: Carrier Frame Lifter, Aerator, Attachment, Slitter Attachment, Firming Roller Attachment, Dethatcher Attachment, Moss Rake Attachment, Sprayer, Lute Brush. Manufacturer's 1 year warranty