I am stripping paint off concrete floors with a&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/Norton-Non-Woven-Depressed-Center-Rapid-Strip-Discs-4-1-2-Diameter-5-8-11-Arbor-Hub-Grit-Coarse-Pack-of-1/dp/B00755XY2Y/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">Norton Non-Woven Depressed Center Rapid Strip Discs, 4-1/2" Diameter, 5/8"-11 Arbor Hub, Grit Coarse (Pack of 1)</a>. I bought a 13-amp&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/DEWALT-D28115-Heavy-Duty-4-1-2-Inch-5-Inch-High-Performance-Grinder-with-Trigger-Grip/dp/B000Q968EW/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">DEWALT D28115 Heavy-Duty 4-1/2-Inch/5-Inch High Performance Grinder with Trigger Grip</a>&nbsp;and it works great, but Dewalt doesn't make a dust guard and I couldn't get the&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/Bosch-18SG-5E-5-Inch-Surface-Grinding-Guard/dp/B001GMAQ8M/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">Bosch 18SG-5E 5-Inch Surface Grinding Guard</a>&nbsp;to fit. This grinder was highly rated so I bought it.