45-Piece Premium Large Size Tap and Die Set - SAE 1\/4, 5\/16, 3\/8, 7\/16, 1\/2, 9\/16, 5\/8, 3\/4, 7\/8, 1\u201D, Both Coarse and Fine Teeth | Essential Threading and Rethreading Tool with Handle Wrench and Case

–² PREMIUM MATERIAL AND DURABILITY - Industrial grade GCr15 bearing steel construction ensures durability and tool longevity to withstand professional uses | –² EXCELLENT CUTTING PERFORMANCE - All cutting teeth are precisely CNC machined and accurately heat treated to Rockwell hardness 60 HRC for best threading performance | –² VERSATILITY AND TAPERED TEETH DESIGN - Perfect to create new threads or repair damaged threads on most metals like carbon steel, cast iron, aluminum, brass, copper and stainless steel; Taps (for internal threads) and Dies (for external threads) feature with tapered teeth that start threading more easily | –² COMPLETE SIZES FROM SMALL TO LARGE - Set includes (20) SAE Fractional taps and dies for coarse thread (UNC): 1/4-20 NC, 5/16-18 NC, 3/8-16 NC, 7/16-14 NC, 1/2-13 NC, 9/16-12 NC, 5/8-11 NC, 3/4-10 NC, 7/8-9 NC, 1-8 NC; (20) SAE Fractional taps and dies for fine thread (UNF): 1/4-28 NF, 5/16-24 NF, 3/8-24 NF, 7/16-20 NF, 1/2-20 NF, 9/16-18 NF, 5/8-18 NF, 3/4-16 NF, 7/8-14 NF, 1-14 NF | –² COMPREHENSIVE ACCESSORIES - Comes with (1) Adjustable Large Tap Handle; (1) T-type Small Tap Handle; (1) Adjustable Die Handle; (1) Die Stock Adapter; (1) Slotted Screwdriver; (1) Storage and Carry Case