These bosch sanding discs 2608607247 are 150mm discs with 6 punched holes that attach to the sander via a hook and loop system part of the best for wood range they are suitable for use on all types of wood hardwood chipboard construction boards and metal compatible random orbit sanders include those from bosch de walt felisatti flex hilti hitachi kress metabo and milwaukee grit 60 210 240 2 of each diameter 150mm key features pack of 6specifications150 mm 40technical specifications sheet dimensi