Semi-automatic trimmer head (tap-and-go) for small and semi-professional brushcutters. Including 4 adapters (M10 x 1,00 LHF, M10 x 1,25 LHF, M12 x 1,5 LHF, M12 x 1,75 LHF) enabling the user on mounting this head on the most popular STIHL, ECHO, HUSQVARNA ... trimmers and brushcutters. Suitable for machines from 20 to 35cc. 2 Nylon lines. Replaces original STIHL 25-2, 4002-710-2168, 4002-710-2191.