This is Oxyura™ RJ45/RJ11 Crimping Tool : • Hard and durable enough to crimp the network cables for using magnetic steel • The mouth of the press-pliers is made of high quality steel. It won't damage the shelled-wire when crimping. • The handle of the crimper is long enough, which will help you crimping effortless. • The perfect tool for making your own network cables RJ45 and RJ11 Cables • Portable style with perfect shape. • For network installations up to 100 Mbps 10Base-T Ethernet and Token Ring. • Suitable for network cable with RJ45 Connector and ADSL Cable with RJ11 Connect. • Suitable for Cat5 and Cat5e cable with 8P8C, 6P6C and 4P4C plugs Features : Cut the wire by the blade near the handles. Shell the wire by the middle blade. Press the connector by the crimper.