Festool Standard Red Diamond Disc for Abrasives DIA ABRASIVE-D130-ST 499973Details 499973, Festool DIA ABRASIVE D130 ST Diamond Disc for RG 130 ECI, RG 130 The DIA ABRASIVE grinding disc with a diameter of 130 mm is well suited to abrasive materials on smaller surfaces containing a lot of sand. Thanks to the use of high quality materials and the segment height, the replacement disc has a very long service life. Features: For sand based materials Specifications: Active surface: 3. 57 in2 (2 300 mm) Diameter: 5 1 8" (130 mm)