Feature: * The foam structure adapts to the contours to make the surface finer. * Added support for the pad to improve abrasive cutting and edge sharpening. * Simplify the quick change between the grinding wheel and the support block. * Hole configuration helps to remove dust from the work surface and extend the life of the disc. * Reduce vibration by orbital grinding tools to improve results. Specifications: Product name: Interface Soft Pad Material: Sponge, PU Color: Black, White Size: (Approx. ) 148mm / 5.82'' Number of holes: 8+1 Holes Suitable for: 6''(150mm) orbital sanders Quantity: 1pc Package Included: 1 Interface Soft Pad Note: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data.