Festool 499100 Rubin 2 125mm P220 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, ensuring the abrasive stays sharp and effective. With its ability to resist buildup from pitch and wood fibers, Rubin 2 helps you by extending the life of every sheet. I for rapid grit progression, it allows you to move quickly from 80 to 220 grit, achieving possible finished surface in the least amount of time. Model Number: 499100