The Z125-902 is a specialized insertion and removal tool intended for use with the Gecko connector series. This tool is engineered to facilitate the safe and efficient insertion of crimped contacts into the rear of mouldings, as well as their removal for rework or maintenance. It is a key component of the Gecko tooling ecosystem, ensuring that contacts are handled correctly without damage to the contact or the connector housing. The primary application for this tool is in the assembly and servicing of cable harnesses that utilize Gecko connectors, and a detailed instruction sheet is available for proper usage.