9Pcs 2inch Flap Discs,High Density Zirconia Alumina Flat Rollock Disc with Roloc Disc Pad Holder,Quick Change Sanding Discs for Rotary Tools Grinder,T27 40Grit 40 Grit hidden even compression to your muscles quick drying even compression to your muscles This includes the hard to reach puborectalis and obturator internus muscles Package Include : 9Pcs x 2 Inch Zirconia Alumina Flat Flap Discs 1Pcs x 2 Inch Pad Holder Specifications： Material: Constructed Of Industrial Grade High Density Premium Zirconia And Aluminum Oxide GrainScrew Thread: Resin Fiber With A Fiberglass Backing Plate To Offer Extra Strength And Absorb Vibrations Not Easy To Fall OffDesign: Grinding Disc Is Semi open To Reduce Loading On Aluminum Surfaces High Quality Zirconia Alumina High Density （31 pages） Diameter:50mm(2 Inch) Thickness:8mm Screw Thread:7mm Speed:12000 to 14000 RPM Grit:40 Number: 9Pcs Read more High Quality Rubber Holder Size: Diameter: 50mm (2 Inch)Mandrel: 6 which ensures your safety while using