The Festool 575191 is a box of 150mm 150 grit rubin abrasive sanding discs. The discs are ideal for use on wooden materials for intermediate or final sanding. They are designed for fast and easy grit progression, quickly shedding wood fibres to eliminate clogging so the abrasive stays sharp. Suitable for preliminary and intermediate sanding for paintwork or oiling for joiners, carpenters and painters. These discs can be used with ro150, ets150, and etsc150 sanders and feature stick fix and multi Jetstream 2 technology. Each disc has a size of 150mm and a grit of 150, coming in a box of 50 pieces. The weight is 1.0 pounds.