1UPcard™ Cleaning Cartridge Compatible with N64 Controller Pak Slot

A clean controller slot is just as important as clean games. If your Pin Connector located inside your N64 controller is dirty, grimy, or corroded, use this before inserting the Rumble Pak or Transfer Pak! 
 

This N64 controller pak cleaner is brand new made from all new parts.

Cleans and polishes the connectors on your N64 controller slot
Assembled in the USA from domestic and foreign components.
This is a newly manufactured cleaner for the N64 controller. Clean your pin connector quickly and easily.