Use this metal reliefing block to sand-relief the surface of your Vintaj or other metal products to show off their fine detail and bring your designs to life. The heavy grit side (dark gray) removes paintand patina from raised areas. The medium grit side (white) lightly relieves embossed and raised areas. The fine grit side (light gray) buffs and polishes. You can also use this block on paper goods, polymer clay, chip board, grunge board, wood, leather, acrylic, textiles, foil, canvas, and more. Price per block.