26 Piece Dapping Doming Punch Block Set 2.3 mm to 25 mm Jewelry Making Metal Forming Tool Kit Dimensions: 6.7' 8.4' 4.9' Made from high-density, hardened steel (chrome plated) Odeal for shaping, forming and chasing both precious metals and metal jewelry Also great for forming soft metals for jewelry making, coin making, metalsmiths, plus goldsmith applications and repairs