Professional or DIY use. Single motion stripping of wires/insulation and the crimping of insulated and non-insulated terminals. Wire stripping range 0.13-6.0mm²/10-24AWG. Carbon steel blades, alloy steel jaws hardened and tempered, with polypropelene with rubber non slip inserts handles. Display packed. Superb professional quality. Simply place wire in jaws and squeeze and the wire will be stripped automatically.