SE RA91812S 1/8" Sanding Bands with 2 Mandrels and 4 Grits (102 PC.) Sanding bands 1/8" for grinding and sanding on ceramics, stone, glass, wood, carving, etching, soft metals, and more Grits 25 pieces each: 60, 120, 240, 400 2 metal mandrels Mandrel shank diameter: 1/8" Sanding band size: 1/2" height x 1/8" diameter