ZEC Discs are silicon carbide abrasives that are designed to remove coatings and adhesives from surfaces such as concrete, wood, block and fiberglass.  ZEC discs are used by waterproofers, painters, and flooring contractors. ZEC Discs are available in 4.5″ and 7″ diameter and in 8, 12, 16, 24, 36 ,50, 60, 80, 120 grit. If you need assistance choosing a ZEC Wheel, please call and speak to one of our experts to guide you in the right direction. 1-877-817-6687 .