Check the listing for details. Starcke Premium 8 Inch Hook and Loop Grip Sanding Discs No Hole. Condition: New. Listed at 39.03 USD. * Size 8 Inches x No Hole ' 25/50/100 Pack ' Grit:24/36/40/60/80/100/120 * Premium Blue Zirconia grain on heavy duty polyester cloth backing for better cutting power, longest lasting performance * Hook & Loop backed sanding disc for use with backup pad * Exceptional results in wood floor sanding applications Specially engineered with tear-resistent cloth backing * Professional grade, German quality, stocked & shipped from the US. Starcke is family owned with over 100 years of experience in manufacturing abrasives. 8 Inch Zirconia heavy duty, durable, X-weight polyester cloth sanding discs. Faster cutting and longer life than standard Aluminum Oxide discs. Premium Aluminum Zirconia/Aluminum Oxide blend abrasive grain. Hook & Loop disc grips to the appropriate backup pad attached to an orbital or DA sander. High quality German industrial abrasives factory direct.