Flexipads Sanding Super Pad 200mm PSA Self Stick M14 x 2 for Sander & Polishers FLE36085 The Flexipad Medium Density Pads are suitable for polishing and grinding.The backplate is made from impact resistant synthetic nylon which is bonded to microcellular polyurethane. Excellent resistance to initial and continuing tearing, oil and ageing. Backing Pad for Sander/Polished internal super pad 200 mm PSA, M14 x 2200 mm 8 Inch Pad FLE36085