2″ Dia x 1/4″ Black Rubber Medium Straight Shaft 3-TR Backing PadFastenal Part No. (SKU)0815012UNSPSC31191505ManufacturerFastenal Approved VendorBrandBlackstone®Product Attributes TypeBacking PadArbor StyleStraight ShaftDiameter2″Arbor Size1/4″Attachment Type3-TRHardnessMediumMaterialRubberNumber of HolesNo HoleOperating Speed30000 rpmColorBlackApplicationBacking Pad for Abrasive ProductsProduct Weight.0847UOMeachNotesBack Up Pad, Quick Lock System makes changing discs easier, used with surface conditioning discsQuick Lock System makes disc changing easier