Double Coated Micro Finishing Film from Profile Accessories/Alpha Precision Abrasives is ideal for applications where you need flexible abrasives. This product is produced on a strong polyester film and manufactured as a double-sided coating. Each strip is double sided with 150 grit on one side and 320 grit on the other. Rough sanding material removal and finish sanding or blending with one product! Double-Coated Micro Finishing Film is unbreakable, washable and reusable. It is suitable for wet or dry sanding applications. Each package includes one 1/2 x 40" strip. Micro Finishing Film is part of the line of Flex-I-File/Profile Accessories tools and modeling products.