The Yard Boss pick-style tines Cultivator Attachment deliver exceptional control while effectively loosening hardened dirt or mulch.so you can prepare the soil for planting and keep your garden areas perfectly maintained no assembly required.Hardened soil in the garden without disturbing nearby plants,This is the standard attachment for the MM 55 and MM 55 C-E STIHL YARD BOSS lawn care systems,It pick tines cultivator breaks up weeds