This Single Indent Field Grade Hand Crimper is for size 12-20 Solid Contacts. Easily crimp and install connectors and leads to your wires with this easy to use and economical tool. It Crimps Solid style Pins and Sockets only. For use with 12-24 AWG, size 12-20 Solid Pins and Sockets in DT, DTM, DTP and size 12 DTHD Series connectors. Provides single indent style crimp. May also be used with Deutsch round series connectors.