Shape Shifter Flexible Sanding Sticks from Profile Accessories/Alpha Precision Abrasives feature an aluminum core so you can easily bend the files to fit into tight or unusual spaces or shapes. Each pack includes 10 sanding files with two of each: brown 100 grit, dark gray 120 grit, tan 220 grit, white 320 grit and black 400 grit. Flexible Sanding Sticks are part of the line of Flex-I-File/Profile Accessories tools and modeling products.