ImpressArt Steel Blocks are ideal work surfaces for stamping shaping and flattening metal for jewelry or metal crafts. They’re constructed of solid carbon steel and have rubber feet to help prevent movement. Large measures 4 x 4 x 3/8 . Small measures 2 x 2 x 3/8 . - ImpressArt Steel Block - Small 2 × 2 x 3/8 Impressart Tools STEEL BLOCK - The Small Steel Block is ideal for smaller projects and more portable measuring just 2 x 2 x 3/8 .