This high-precision crimp tool is capable of crimping many types of micro connectors from 2.5 to 5 millimeters and 28-18 AWG wires. Producing a perfect crimp every time, these pliers are designed to crimp the conductor and the sheath in separate operations to ensure that each are properly crimped. Supports numerous types and styles of terminals. Many similar connectors can be crimped with die sizes of 1.6, 1.9, 2.0 and 2.3 millimeters. Spring loaded for easy operation with a joint set screw that prevents the joint from loosening..