The Draper 97921 Lawn Aerator/Scarifier with four adjustable working depths The Draper 97921 is a 2-in-1 aerator and scarifier powered by a 1500W motor with a 320mm working width and can operate at four adjustable working depths for the aerator and scarifier. Supplied with two quick-change cartridges: an eight-blade scarifying cartridge and a 20-tine aerator cartridge. Foldable handle for easy storage. Features: Safety switch Foldable handle 30L collection bag Quick-change cartridges Four Adjustable working depths (+4, -4, -8 and -12mm) Specifications: Weight: 9.3kg Voltage: 240V Cable length: 10m Input output: 1500W Working width: 320mm Tine count (aerator): 20 Collection capacity: 30L No load speed: 3000rpm Blade diameter (scarifier): 128mm Working depths: 4 (+4, -4, -8 and -12mm)