Arbor Metal Depressed Center Grinding Wheel, 4 x 0.25 x 0.625-In.
Master Mechanic, 4" x 1/4" x 5/8" Arbor, Metal Depressed Center Grinding Wheel, Double Reinforced With Industrial Grit & Glue For Increased Life & Durability, Superior Friability Allows Wheel To Break Down Quickly, Consistently Exposing New Grain For Increased Sharpness & Longer Life, For Low Angle & Vertical Grinding, Max RPM Rating 15,200.
