The sealey ak301 is a comprehensive 40-piece tap and die set designed for creating and restoring metric threads in steel, aluminium and other metals. Manufactured from high carbon steel for strength and durability, this professional-quality set provides engineers, mechanics and fabricators with the essential thread cutting tools for workshop and on-site applications. The set covers a wide range of metric thread sizes from m3 to m12, making it suitable for general engineering tasks, automotive repair work and maintenance operations. Dies feature machined lead-ins to facilitate easier starting and more accurate thread cutting, reducing the risk of cross-threading when working with precision components. Equipped with professional-grade accessories, the kit includes a long-handled adjustable tap wrench with sliding jaw for secure tool retention, plus a steel die holder with retention screw that accommodates the full range of dies supplied. A t-bar tap wrench offers additional versatility for working in confined spaces, while the included thread gauge ensures accurate thread identification before cutting. All components are organised in a durable storage case for protection and portability between job sites. Features and benefits: high carbon steel construction for long-lasting cutting performance machined lead-ins on dies for easier thread starting professional sliding jaw tap wrench for secure grip comprehensive metric coverage from m3 to m12 includes thread gauge for accura...