Type 27 Premium Performance SG Depressed Center Cut Off Wheel, 4 1 2 in Diameter, 1 8 in Thick, 5 8 Arbor, 46 Grit ORS NASCO Larger feet offer more stability Larger feet offer more stability and clearance between handle and worktop suitable for wearers with sensitive ear canals or for wearing with hearing aids Air Flow Control technology for optimum attenuations across all frequencies Available in over the head cast iron and non ferr Arbor Diam [Nom] 5 8 in Arbor Thread TPI or Pitch 5 8 in 11 Big Catalog YES Bond Resin Brand PFERD Catalog MPI Catalog Color Gray Construction Catalog NO Country of Origin ES Dia [Nom] 4 1 2 in Grit 46 Hardness Grade S Hazmat NO Jan San Catalog NO Mounting Threaded Hole Prop 65 YES Quantity 10 per pack Quarterly Flier NO Special Order NO Speed [Max] 13