STIHL FBD-KM BED REDEFINER (EDGER)STIHL FBD KM BED REDEFINER (EDGER) With the STIHL FBD KM bed redefiner, you can efficiently trim the edges of vegetable, fruit or flower beds while completing domestic work in a hobby or vegetable garden, or for professional use in horticulture and landscaping. The practical edger can be mounted on your STIHL KombiEngine to cut a narrow groove in the soil at the edge of the bed. With the help of a wing screw, you can easily adjust the cutting depth to