PSU Modding Tool Kits are used for if you plan on modding your power supply with wire sleeving and such, then you need special tools to remove the pins from all the connectors without damaging them. Sunbeamtech PSU Modding Tool Kit comes with every tool you need to remove and install PSU connectors. The tools are constructed primarily of quality steel, coated in a thick black paint. Molex Extractor - Universal Molex*1. This is a useful tool for removing the pins from male and female molex power connectors. Molex Extractor - Floppy and Fan*1. This is a tool needed to remove the pins from male floppy 4 pin power connectors and fan 3 pin connector. Molex Extractor - Auxillary*1. This is a tool needed to remove the pins from male Auxillary 6 pin power connectors. Molex Extractor - ATX*1. This is the tool needed to replace ATX connector blocks, and will work on 20 pin and the P4 4 pin ATX power connectors.