115mm x 1.6mm (4 1/2" x 1/16) Thin Metal Cutting Discs. Bonded and fully reinforced discs manufactured to the highest European standards. For use on all types of Steel and Stainless Steel in many types of industry. These wheels are Iron, Sulphur and Chlorine free to avoid contamination during use. They are designed to give a fast, accurate and clean cut while maintaining a long life.