Steel Bench Block Jewelers Gunsmiths Metal Anvil Square Solid 4x4x3/4 Heavy Duty Use This Large Flat Jeweler`s Steel Bench Block For Jewelry Designs; Metal Smithing And Texturing Jewelry And Craft Metal. Made of Heavy Case Hardened Vanadium Steel Color: Steel Measurements: 4 Inches X 4 Inches X 3/4 Thickness Shape Or Style: Bench Block"