Abrasive Sanding Discs 3/4" Medium Box of 200 These discs snap on and off quickly and easily, with no screws to drop or lose. Can be used with the grit side in or out and won't fall off with the reversal of the hand piece. The grit of this disc is Medium. Abrasive Sanding Discs are available in fine, medium and coarse and come in varying sizes of 1/2", 5/8", 3/4" and 7/8". This item is sold as a box of 50 discs, as a carton of 12 boxes of 50 discs or as a box of 200. Please choose the grit and size that best suits your needs. Sold Separately.