Introducing the assorted grit sandpaper sheets by POWERTEC. this package features a collection of 12 grade grits, and a total of 36 assorted grit sandpaper sheets - ensuring that you have a full spectrum to choose from for any project. Offering the latest in abrasive technology, this premium paper with its silicon-carbide construction and Electro-coating assures you fast and uniform cutting for both wet and dry use. sheet size: 9” x 3. 6”package includes: (3 sheets each grade)180 grit sandpaper sheets220 grit sandpaper320 grit sandpaper400 grit sandpaper600 grit sandpaper800 grit sandpaper1000 grit sandpaper1200 grit sandpaper1500 grit sandpaper2000 grit sandpaper2500 grit sandpaper3000 grit sandpapergrit applications: 180 – 220 for fine sanding. 240 – 400 for very fine sanding. 400 – 800 for Pre-Painted finishes. 1000 – 1500 for extra fine sanding between coats. 2000 – 3000 for ultra fine buffing.