Guaranteed not to contaminate stainless steel The ZIP STAINLESS cutting wheel is free of iron, sulphur and chlorine, guaranteeing not to contaminate stainless steel or other nickel alloyed steelsThese thin cut-off wheels are designed to cut fast and cool, while providing a burr-free finish. Product Information Brand WALTER Part # 11F092 Arbor 7/8 Inch Diameter 9 Inch Grade A-46 Grit 46 Max RPM 6,600 Mineral Aluminum Oxide Origin Country IT Product Type Type 1 RPM 6600 Thickness 5/64 Inch Product InformationAluminum oxide abrasive grains for smooth cutting with agressive controlled bite Fe-Free formulation (guaranteed not to contaminate stainless steel) Distinctive WALTER Curved Stripes Exclusive packaging for better protectionSuggested ApplicationCutting with angle grinders