Wolverine™ Flat Type 1 Cutting Wheel, 3 in dia, 0.035 in Thick, 60 Grit, Aluminum OxideDual reinforcement provides added strength for aggressive cutting Open arbor offers a cost effective mounting option when using adapting nuts Thin cutting wheels deliver accurate, clean cuts Excellent value for the professional that needs a tough, aggressive wheel. Specifications Abrasive Material Aluminum Oxide (AO) Anchor Brand Catalog NO Applicable Materials Metal; Steel Applications Cutting Arbor Diam [Nom] 3 8 in Big Catalog YES Bond Resin Brand