Descriptions: * Hook & Loop design for quick pad changes, prevents pad shifting and spinning.* Fits for most kinds of rotary tools, such as polishers, angle grinders, buffers and so on.* Suitable for grinding and polishing. To paste flocking sandpaper, buffing pads, sponge plates, wool ball, etc. Specifications:* Max Speed: 12,000R.P.M* Diameter: 98mm / 4-inch* Thread Size: M8*10mm* Color: Black, Yellow* Material: Hook and Loop Fastener, Plastic Package Content : * 2 x Sanding Pad