Check the listing for details. Starcke Premium 7 Inch Hook and Loop Grip Sanding Discs No Hole. Condition: New. Listed at 25.32 USD. 7 Inch No Holes | 25 or 50 Pack | Grit: 16/24/36/40/50/60/0/100/120/220/320/400/600/800 Premium black Silicon Carbide grain on heavy duty E-weight paper backing for a precise and uniform finish Hook & Loop backed sanding disc for use with backup pad Exceptional results in dry sanding finishing applications for stone, wood floor, metal, autobody, paint, primer, plastics, marine, composites and cultured marble Professional grade, German quality, stocked & shipped from the US. Starcke is family owned with over 100 years of experience in manufacturing abrasives. 7 Inch heavy duty E and F weight Silicon Carbide sanding discs. Hook and loop grips to backup pad attached to an orbital or DA sander. Used for dry sanding on wood, plastic, natural stone, fiberglass, concrete and glass. 25 or 50 discs per box.