●Benchmark Abrasives 4-1/2" T27 depressed center grinding wheels are suitable for general grinding, cutting, smoothing welds, and stock removal of stainless steel, carbon steel, and other ferrous metals. ●They are manufactured with multiple layers of fiberglass, Bakelite resin, and European aluminum oxide grain. These wheels have set the benchmark for cost-efficient grinding. ●Designed to meet industrial standards, our grinding wheels are recommended to be used with angle grinders sized 4-1/2” to 5“ for cutting, grinding, material removal, etc. ●Efficient grinding wheels are used in various industries like automotive, household, transportation, mining, shipbuilding, foundries, construction, fabrication, etc. ●All our abrasive products are made with quality materials and exceed ANSI and EU European Standards. We trust in delivering high-quality products to the end-user. Customer satisfaction is the lifeline of our brand.