Non-dust collecting vinyl backup pad for pressure sensitive adhesive discs Heavy duty vinyl face pad is flexible, but firm; rated for power sanders operating at 10,000 RPM Smooth pad surface face provides enhanced adhesion, paper comes off without tearing Universal vinyl backing discs fit all 6-inch DA / orbital sanders with 5/16-inch 24 TPI threading Use with a variety of discs for feathering, scratch removal, paint stripping and paint prep