Super Sanding & Finishing Foam Blocks from Profile Accessories/Alpha Precision Abrasives are ideal for use on all of your special projects. Blocks come in a small size of just 1-3/8 x 4′ 3.4 x 10.1cm and soft cushioned foam construction makes these double-sided abrasive blocks perfect for hobby and craft projects. Can be used wet or dry. Blocks are color-coded for easy identification. Sanding & Finishing Foam Blocks are some of the line of Flex-I-File/Profile Accessories tools and modeling products.