Is your RUPES NL2 sander starting to spark, lose power, or just not run smoothly? It's probably time to replace the carbon brushes. These are the little conductive blocks that transfer power to the motor, and they wear down over time. This set gives you two replacement brushes (always replace both at the same time!), each measuring 6mm x 9mm x 20mm (about 0.24x0.35x0.79 inches). They come with the necessary springs, cables, and connectors for an easy swap. The seller specializes in brushes and claims these last even longer than the originals. Installation is usually straightforward – consult your sander's manual. They ship via standard mail without tracking to keep costs down, and the small package fits in your mailbox. Keeping your tools in good shape with proper maintenance like this saves you money on expensive repairs or a new sander down the line. Get your RUPES running like new again!