Made from high quality nylon, which is both flexible, durable and does not clog as easily as standard abrasive. 6mm shank diameter. Alternate flaps of abrasive and interleaved with a versatile high quality nylon. Ideal for: matching/blending a finish, light deburring, decorative/cosmetic applications, on most materials, rust removal and blending. Available in a choice of Coarse, Medium, Fine and Very Fine Density Grades and in sizes 50 x 25mm, 50 x 50mm, 76 x 50mm and 100 x 50mm.