The DIA ABRASIVE Premium D130 grinding disc for the RG 130 with a diamond segment height of 9/32" (7 mm) is well suited to abrasive materials containing a lot of sand on smaller surfaces. Thanks to the use of high-quality materials and the segment height, the disc has a very long service life. Easy disc change in just a few steps Fast grinding of abrasive substrates First-class materials and the segment height ensure a long service life For sand-based materials, screed, fresh concrete, adhesive on screed, sand-lime brick and cellular concrete