Unitised quick change discs with a Lockit / Roloc type fixing.
SA 7 75 mm diameter disc
With a flexible finishing action unitised discs are great for deburring, finishing and pre-polishing.
Grade 5: Light scratch removal and pre-polish finishing
Grade 7: deburring and fine finishing (nominally 320 grit)
Grade 8: heavier deburring and tig weld blending (nominally 240 grit)