When combined with one of the STIHL KombiEngines the HL KM 0° becomes an incredibly powerful hedge cutter. Struggling to reach those tall hedges? With a total length of 107CM and a bar length of 50CM it can shape and trim high and wide hedges. When powered by the battery powered KMA KombiEngine, the HL KM 0° has all the power of a petrol engine without the noise.