1643921-1 is a thermoplastic extraction tool designed for use with insertable/removable contact size #0 connectors. The tool features a light yellow color in a domino/drawer style configuration, manufactured from durable thermoplastic material. Dimensional tolerances are specified at ±0.010 inches with angular tolerances of ±5 degrees. This extraction tool is commonly used in connector maintenance and assembly applications where precise contact removal is required without damaging the connector housing or contacts.