Ideal for cutting, grooving and trimming all kinds of metal Makes it easy to cut bolts and screws Constructed from hard abrasive used for slicing and cutting metal Includes 20 polishing wheels Measures 1/2 inch in thickness; 15/16-inch diameter Cutting Accessories Diameter: 15/16 Thickness: 0.0400 In. Type: Non-Reinforced Material: Emery Hole Size: 1/8