The Stiga SVP 40 G Petrol Scarifier is a lawn aerator with 182 cc motor and cutting system with floating blades. This great machine helps remove unwanted plant matter that lies on top of your lawn which typically 'chokes' the lawn and can cause the development of weeds. Purchase the Stiga SVP 40 G Petrol Scarifier to help improve the flow of nutrients and oxygen in your lawn.