Polishing Set for Frullo Standard The Set includes: 1 M14 clamp mandrel for thicknesses from 15mm to 50mm with 2 flanges � 60mm 250 Grams of Polishing Canvas Discs in Pure Cotton � 100mm hole � 15mm Thickness of approximately 5cm 250 Grams of Polishing Canvas Discs in Pure Cotton � 120mm hole � 15mm Thickness of approximately 4cm 1 White V&B Polishing Compound for Marble It is possible to adjust the thickness of the canvas discs as desired from 1.5cm up to 5cm.