32-piece tap/die set, metric, M3-M12, high-strength alloy, with case

Set of 32 Taps and Dies (metric) including 21 taps: M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1.0, M8 x 1.25, M10 x 1.5, M12 x 1.75 (3 pieces of each size, M3 pieces). The tap and die set is made of hardened tungsten steel alloy for high strength and durability. Known for their easy starting, these taps and dies are the most commonly used style and are perfect for most manual threading applications. The SAE and metric tap and die set is constructed of industrial-grade hardened steel and heat-treated to a Rockwell hardness of 55 HRC for long-lasting threading performance and satisfactory longevity. The metric tap and die set is used for internal threading, while the metric die set is for external threading. You will receive a set of 32 metric taps and dies, all housed in a stainless steel case with size-marked slots that help store and organize the tools and parts, providing easy portability, quick retrieval, and preventing lost pieces.