Powerful hedge trimmers from STIHL are ideal on all large estates, as well as in park or landscape maintenance. Their petrol engines allow unlimited freedom of movement & with the HS 81 & HS 86 models, the 'R' versions are ideal for cutting back tough or woody hedges & the 'T' versions are great for neat trimming. This is the HS81R model with double-edged blade for cutting back; 3000 strokes/minute for lower speed & powerful cutting. Manufacturer's 2 year warranty