Upgraded with a new premium aluminum oxide grain for 15% faster cut rate 1/4 inch thick depressed center wheels designed for heavy duty offhand stock removal, smoothing welds, and beveling High-performance bond and wheel hardness are designed for more metal removed per wheel and up to 60% more life Good choice for grinding 400 series stainless, and hard or soft carbon steel applications Excellent for weld repairs, flashing, and any job that requires a quick turnaround 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 FastCut 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 FastCut. Package of 10.