Key Features & Technical SpecificationsSegmented Rim Design: Delivers cooler, faster, and more aggressive cutting action by clearing out debris instantly.XPTM Extended Performance: High-quality industrial diamond grains provide up to 450X longer life than standard abrasive wheels.Dimensions: 4.5" (115mm) diameter.Versatile Application: Specifically designed for both Dry and Wet cutting of brick, blocks, concrete, and masonry materials.High-Speed Stability: Handles up to a Maximum RPM of 13,200, making it perfectly balanced for standard 4.5-inch angle grinders