General use tools can be difficult, frustrating, and damage your wires. This specially designed Deutsch wire crimp tool will allow you to quickly and easily connect wires and pins together for a solid and complete fit in your electrical harnesses and other wiring needs. This sturdy Deutsch Series Hand Crimp Tool works only with Size 20 Stamped and Formed Pins and Sockets and will fit any wires that are size 18-20 AWG.