Using a lawn scarifier is an excellent way to remove any dead moss or thatch build up promoting enhanced & healthier grass root growth. The scarifier blades cut through the thatch allowing essential moisture and nutrients to reach the grass roots so they can grow back stronger and healthier. The Webb LS38 h&-propelled lawn scarifier has a 38cm working width & comes fitted with 22 reversible steel flails with 33 mm spacing. The lawn debris is collected into a 40 litre bag so it can be removed from the working area quickly & easily. Equipped with a powerful Briggs & Stratton 550 engine the h&-propelled Webb LS38 is both reliable & economical producing 140cc of power. The depth of the blades can be adjusted from -7.5mm to +8.5mm with a step less height adjustment. The Webb LS38 scarifier can be handled easily over the ground as it has large diameter ball bearing wheels. Specifications 38cm (15”) working width 22 steel blades / flails Briggs & Stratton 550 series engine Recoil starter Step less height adjustment Depth range -7.5mm to +8.5mm 40 Litre debris collector Easy fold handles 33mm blade spacing Ball bearing wheels Weight 46.5kg (102.5lb) Manufacturer's 2 year warranty for domestic use