After you've installed the pins on the wiring to a connector, these tools will help you set the pins correctly into the connector housing. These tools are also absolutely necessary to use for extracting a broken pin for replacement or moving a misplaced pin for relocation.  Insert and extract all your connector pins & sockets with these premium tool. Plastic body or metal tips. 

Green/White for 22-28 AWG 

Red/White for 20-22 AWG

Blue/White for 16 AWG

Yellow/White 10-14 AWG