Weidmuller 9014350000 crimping tool for wire end ferrules with/without plastic collars, 0.14 to 6mm² range. The PZ 6 Roto crimping forms a secure connection between conductor and contact and has largely replaced soldering. Crimping denotes the creation of a homogeneous, permanent connection between conductor and connecting element. The connection can be made only with high-quality precision tools. The result is a secure and reliable connection both in mechanical and electrical terms.