RJ45 RJ11 RJ12, Wire Cable Crimper Crimp ,PC Network Pliers Plier Tools Tool portable style with perfect shape it won't damage the shelled-wire and works with high efficiency the mouth of the press-pliers is made of magnanic steel ,which is hard and durable while using press-pliers,just insert the cystal top into its position and press it. 1 x Pliers 1 x Cutter