Upgrade your angle grinder with the Millner-Haufen 4½″ Electroplated Diamond Angle Grinding Wheel—designed for heavy-duty cutting and grinding across ferrous metals, stainless, stone, tile, concrete, and more. Built from tough alloy steel and coated with durable diamond grit, this wheel delivers precision, longevity, and safety. It features cooling slots to reduce heat, clearing channels to prevent buildup, and dual-grit zones (40 grit for aggressive work, 80 grit for fine grinding), backed by an unconditional lifetime replacement guarantee. Recommended for use up to 15,000 RPM.