The greenworks gd40sc38 2 in 1 lawn scarifier and dethatcher is designed to improve soil health by allowing grass roots to breathe, ensuring that water, air, and nutrients can reach the turf for a thicker, healthier lawn'. '.strtoupper('t')he machine features two interchangeable cassettes that can be swapped easily without any tools'. '.strtoupper('t')he rake cassette comes with 24 flexible stainless steel spring tines that gently pull the thatch to the surface, removing moss, dead grass clippings, and other debris that can prevent healthy grass growth'. '.strtoupper('t')his promotes healthy lawn development and helps prevent diseases'. '.strtoupper('t')he scarifier cassette has 20 steel blades that slice into the soil, improving aeration and removing thatch build up'. '.strtoupper('t')he hand propelled gd40sc38 offers a five stage central depth adjustment, ranging from 5mm to 12mm'. '.strtoupper('f')or added comfort, the ergonomic padded handlebar is designed for easy use and can be folded for compact storage'. '.strtoupper('p')lease note this is a tool only product, batteries and chargers are sold separately.