Simple chainsaw sharpening chainsaws are at their most efficient when the chain is nice and sharp both our manual and electric chainsaw sharpeners feature a guide and grinder enabling you to grind the perfect cutting face in terms of both angle and depth time after time our manual sharpener has a simple twist fit clamping mechanism and measures just l31cm xh10cm 12in x4in while the electric chainsaw sharpener features a spring loaded grinder is simple straightforward and accurate and does