We have ranked among the top 100 most recognized brands in the world and is known as the place with the innovative hardware people With the continued vision to be the best most helpful hardware stores on the planet Ace Hardware and its retail associates remain dedicated to the core value of quality for its customersFeatures. ProSand 5 in Zirconia Alumina Hook Loop 5 8 Hole UVH Stripping Disc 40 Grit Extra Coarse Pack of 10. Pack of 10Specifications. Size 5 in. Material Zirconia Alumina. Attachment Style Hook and Loop. Style 5 and 8 Hole UVH. Grit 40 Grit. Grade Extra Coarse. Country of Origin United States. Weight 03 lbs