The Stanley 115mm Fibre Discs – 40G have been designed for sanding and polishing, especially for material removal on curved surface applications. The fibre disc can be used on materials such as metal, wood and pvc. The fibre discs are suitable to attach to most 115mm disc angle grinders. The 40 grit type means this disc will offer a course finish with heavier material removal. Comes with – 5x 40G 115mm Fibre Discs. Recommended Powertools: BLACK+DECKER 115mm 900W Corded Angle Grinder with Kit Box (BEG210K-GB), BLACK+DECKER 115mm 710W Corded Angle Grinder with 5 Cutting Discs (BEG010A5-GB), DeWalt 115mm 800W Corded Angle Grinder (DWE4056-GB).