Surface Conditioning Back-Up Pad Disc; Diameter 4-1/2 Inch; Mounting Size 7/8 Inch; Grit Medium; Abrasive Material Non-Woven Aluminum Oxide Aggregate; Bond Resin; Backing Material Nylon; Application Blending, Body Panel Surface Repair, Clean and Detail, Contaminant-Free Refinishing, Deburring, Edge Breaking, Finishing, Parting Line Removal, Polishing, Portable Grinding, Rust Removal, Smoothing, Steel Conditioning, Surface Prep; Attachment Type Center Mount

High Performing, Patented Vortex Agglomerated Aluminum Oxide Grain Provides the Cutting Power of a Coarser Grit with the Finish of Finer Grits; Proprietary Clean Bond Resin Technology Guarantees Smear-Free Finishes Even on High Nickel Content Alloys and Reduces Loading on Aluminum and other Soft Metals; Premium High Loft Nylon Fiber Bonded to a Strong Nylon Scrim Backing Allows a Thick Layer of Resin Bond and Grain for Extended Life and Provides Added Durability and Stiffness; Medium Grit for Moderate Surface Cleaning, Blending, Prepping and Detailing; Stainless Steels; Tool Steels; Soft Metals like Aluminum; Cast, Ductile and Gray; Iron; Fiberglass, Composites, Carbon Steels, Super Alloys and Titanium