Crimp and Insertion / Extraction Tools - MH Connectors. The Hand Crimp Tool from MH Connectors, stock number ; 765-9426 765-9426 , is used for Crimp Contacts stock numbers ; 719-5833 719-5833 and ; 719-5824 719-5824 with a limiting Wire Size of 22-26 AWG only. The Insertion and Extraction Tool from MH Connectors, stock number ; 765-9435 765-9435 , is used for Crimp Contacts stock numbers ; 719-5833 719-5833 and ; 719-5824 719-5824 .