Weidmuller 9006120000 crimping tool for insulated connector, 0.5 to 6mm² range. The CTI 6 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.