How did we live without this? The Vintaj Metal Reliefing Block has quickly become a Vintaj Essential.3 3/4" x 1 1/4" x 1"It fits "just right" in the palm of your hand. Perfect for adding design relief to all of your projects. The Metal Reliefing Block was created especially for sanding the raised areas of Vintaj metal products, to show off their fine detail. But don't limit the use of this awesome block.Have fun creating handcrafted pendants & mixed-media art with Vintaj altered blanks, Natural Brass and Arte Metal embellishments; emboss, impress, imprint, paint, & ink, then sand-relief the surface with this perfect tool to bring your designs to life!We also love to use this block on paper goods, polymer clay, chip board, grunge board, wood, leather, acrylic, textiles, foil, canvas and more.Dark gray sides (heaviest grit): Removes paint and patina from raised areas.White side (medium grit): Lightly reliefs embossed and raised areas.Light gray side (finest grit): Buffs and polishes.