Festool 499099 Rubin 2 125mm P180 Disc Abrasives, 50-Pack builds on the industry-leading performance of the Rubin abrasive, setting a new standard for efficiency in wood-finishing applications. Designed to minimize the time spent on each level, Rubin 2 a 30% faster removal rate and a 30% longer sheet life. This abrasive quickly sheds wood fibers to prevent clogging, keeping the disc sharp for faster and smoother work. With its ability to resist the buildup of pitch and wood fibers, you’ll by getting more use out of every sheet. Rubin 2 is also engineered for rapid grit progression, allowing you to move efficiently from 80 to 220 grit and achieve possible finished surface in less time. Model Number: 499099