The STIHL SHA 56 battery vacuum shredder from the AK system is a diverse and practical 3-in-1 garden power tool, where you can choose to blow, vacuum and shred garden waste. One of the best features of this tool is, no tools are required to convert the tool between vacuuming or blowing functions. Allowing you to remove leaves, green waste, or dirt quickly and efficiently from lawns, courtyards and driveways. When in vacuum mode, the robust metal shredding star shreds the vacuumed material reliably. The 40L unique shaped catcher bag is designed to balloon on one-side providing increased legroom when in operation.