These Faithfull 225mm Sanding Discs have a 10 hole dust extraction pattern to fit FLEX Giraffe® Long Reach sanding machines. The hook & loop backing allows easy fitting and removal. Coated with hard-wearing blue fired aluminium oxide grit that is suitable for use on drywall. This pack contains 10 Discs: 2 x 80 grit, 4 x 100 grit and 4 x 120 grit. Ref: UTTK9949