4" x .045" x 5/8" Thin Cutting Wheel, DCW Premium Resins Are 100% Inspected For Quality & Cutting Speed, For Fast Cutting In All Types Of Ferrous & Stainless Steel Metals.
From the Manufacturer
The new DeWalt Type 27 Depressed Center wheels are formulated with a special aluminum oxide for faster cutting and long life in all types of ferrous and stainless steel (INOX) metals. DeWalt utilizes an industry recognized color coding and identification system to help users identify the right bonded abrasive wheel for their application. theree are also several key identifiers to look for on a DeWalt wheel; RPM, wheel size, thickness, and arbor size to ensure the correct product is used.