Vulcan Mounted Assorted Grinding Wheel Kit is perfect for grinding, polishing or deburring ferrous metals or other hard surfaces. 25 Piece Mounted Includes ( 4) Each: 1" x 1/4", 1-1/2" x 1", 2" x 1/4", 2" x 1/2" and 3 each of: 2-1/2" x 1/4", 3" x 1/2", 2-1/2" x 1/2".