Improved design with a new premium grain and advanced bond technology offers up to 60% more life and 15% faster cut rate. Quickly flash, bevel, smooth down welds and remove stock on 400 Series stainless steel, hard carbon steel and soft carbon steel with this Gemini Type 27 grinding wheel. With 1/4-inch thickness, a depressed center and a high-performance bond, this wheel offers a rapid cut rate and excellent longevity. Achieve quick project turnarounds and remove more metal per wheel at the right price with Gemini.