Charger Plus Depressed Center Wheels are ideal for stainless steel and carbon steel applications and efficiently grind a variety of material from alloys to gray iron. With three times the life of aluminum oxide depressed center wheels, they offer any excellent performance to price ratio, to help you lower your abrasive costs. Watch for FastCut and RightCut specifcations. Available in Type 27 and Type 28, these wheels are typically used on right angle grinders.