20-piece Metric Tap and Die Set used for cutting internal and external threads on metal, plastic, or wood. Components: Includes 9 tap sizes (\(M3-M12\)), 9 die sizes (\(M3-M12\)), an adjustable tap wrench, and a die stock. Metric Sizes: Taps and dies are available in various metric thread pitches, including \(M3\times 0.5\), \(M4\times 0.7\), \(M5\times 0.8\), \(M6\times 1.0\), \(M8\times 1.25\), \(M10\times 1.5\), and \(M12\times 1.75\). Material: Generally manufactured from durable carbon steel or alloy steel for hardness and corrosion resistance.