Festool 499972 Surface Grinder Diamond Disc DIA HARD-D130-ST PREMIUM delivers results when working on hard substrates. This grinding disc, designed for the RG 130, features a diamond segment height of 3/16" (5 mm), making it i for smaller surfaces on tough materials. Crafted from high-quality materials and engineered with an optimal segment height, this milling disc ensures a long service life, providing durability and reliable performance for your grinding tasks. Model Number: 499972