Dewalt, Dw4770, Grinding Wheels, Material Removal Accessories, 4 Inch, Yellow 4" Single Row Diamond Cup Grinding Wheel The Dewalt 4" Single Row Diamond Cup Grinding Wheel Is An Extremely Durable And Useful Attachment. Use This To Increase Your Efficiency And Decrease Your Work Time. Superior Build Quality Means You Will Be Using This Bit For Years With Minimal Wear And Tear. A Must Have For Any Professional Or Do-It-Yourselfer. Features: Extended Performance Diamond Matrix Provides 350X's The Life Of Conventional Abrasives And Aggressive Material Removal - Large Grinding Segments With Heat Treated Steel Bodies Which Provides Increases Durability And Wheel Life - Specifications: Diameter: 4" - Arbor Diameter: 5/8-11" - Application: Single Segment Row - Application: General Purpose Masonry Grinding - Max Rpm: 15000 - Dewalt Is Firmly Committed To Being The Best In The Business, And This Commitment To Being Number One Extends To Everything They Do, From Product Design And Engineering To Manufacturing And Service.