White stitched polishing mops are probably the most popular as they can be used on a whole range of metals, for both cutting and polishing stages. This type of mop is useful on such a range of materials it is popular with most users. Medium hardness Diameter- 3"/75mm Width- 1" (25mm) Centre Hole- 3/8"/10mm Leather Washer centre fixing Distance between stitching- 1/4"/5mm