The multi sharp chainsaw sharpening kit restores a sharp new cutting edge to the cutters of a chainsaw without having to remove the chain the kit includes a depth gauge and a flat file to maintain the right cutter to depth guide height which is essential for correct chain saw operation the sharpenerfile is 40mm 532in in size for chainsaws with a pitch of 14in and also 38in minilow profile this size fits most domestic chainsaws suitable for the following makes black decker bosch champion husqv