Festool 575186 150mm Rubin 2 P40 MJ2 Disc Abrasives, 50-Pack builds on the industry-leading performance of the Rubin abrasive to set a new standard for efficiency, for all wood-finishing applications. This all-new Rubin 2 is designed to minimize the time spent on each level with a 30% faster removal rate and a 30% longer sheet life. It quickly sheds wood fibers, eliminating clogging so the abrasive stays sharp, leading to faster material removal. By preventing clogging from pitch and wood fiber buildup, Rubin 2 ensures you get up to 30% longer life out of every sheet. Designed for rapid grit progression, it allows you to move efficiently from 80 to 220 grit, achieving possible finished surface in the least amount of time. Model Number: 575186