This is a hand-held, economical tool for stripping wire insulation and crimping red, blue and yellow insulated terminals. It has a built-in bolt cutter for M2.6, M3, M3.5, M4 and M5 bolts and will strip insulation from 0.75, 1.0, 1.5, 2.5, 4.0 and 6.0 mm² cables.