Weiler Abrasives 4-1/2″ 40 Grit 5/8-11 Center Hole Type 27 Zirconia Alumina Flap Disc Coarse Grade, Coated, Arbor Attachment, Phenolic Backing, 12,000 RPM 51165

Made in USA 4-1/2" Long x 1-3/4" Diam x 1/4" Thick, Aluminum Oxide Sharpening Stone Round, Medium GradeManufacturer Part #: U178AS/N: 05111265UNSPSC: 27111908(Minimum Order Quantity=1, Package Quantity=1)Specifications:Abrasive MaterialAluminum OxideGradeM