... , also can be made with holes shape. The feature of Velcro Disc is the back flocking,be easily distinct with adhesive ... soaked in water grinding, a greater degree of improvement of abrasion resistance. Aluminium Oxide Velcro DiscItem.No.Size('')Size (mm)GritJHVDA100410024-400 ... and Class C,D or E paper, full resin. Application: Velcro Disc are widely used in automotive, hardware, electronics, plastics, ...