The electric scarifier (140175) has six raking heights, which can be adjusted using a single lever, these heights vary from -5mm which allows the electric rake to scratch below the surface of the lawn to +8mm above.
The petrol lawn scarifier (140180) is the perfect machine to be used in the Autumn and Spring months when the ground is not too soft and when the weather will not be too dry for removing dead thatch and moss from lawns.