Samsung CLP510 Chip Replacement Kit. This tool kit includes a soldering iron and solder wire needed to install the chip on the Samsung CLP510. The installation takes only 5 minutes, but requires that you purchase the toner refill kit and the replacement chip. Instructions for installation are included with the purchase of the smart chip or with the toner refill kit. If you have a soldering iron and soldering wire at home, you do not need this item. THIS ITEM IS REUSABLE and only needed in order to successfully install the smart chip for CLP510. Purchase only for your 1st refill, then it can be used repeatedly for future refills.