Ferrule crimping tool, crimping range 0.25 - 6 mm² / 23-10 awg, 70° opening, made of high-quality steel plate, fe8ni crimping head, suitable for insulated and non-insulated crimp terminals with hexagonal crimp profile, self-adjusts to the desired ferrule size, ergonomic ratchet mechanism, self-locking device with load detection, automatic release when squeezed