Einhell Electric Lawn Scarifier And Aerator - 1200W, 28L Catch Bag, 10m Cord, 3 Working Depths, Changeable Scarifier And Aerator Rollers - GC-SA 1231/1 Dethatching Rake For Gardens Up to 300m² The electric scarifier/aerator GC-SA 1231/1 is a powerful and reliable combined device doing a good job in aerating and scarifying small to middle size plots for a healthy lawn care. With 8 high-quality double blades, the ball bearing mounted cutting roller removes weeds and moss with their roots thoroughly. The also ball bearing mounted aerator roller allows a professional soil aeration with 42 claws. For that purpose, the powerful inverse-speed motor with 1,200 Watt delivers a strong torque for continuous working progress and consistently good results. Due to its working depth adjustment in three.