VEVOR Tap and Die Set, 116-Piece Include Metric and SAE Size, Bearing Steel Taps and Dies, Essential Threading Tool for Cutting External Internal Threads, with Complete Accessories and Storage CaseProduct Features Unbeatable Durability Our tap and die set is crafted from high grade HRC56 hardened bearing steel, effortlessly handling heavy loads and high pressures. Its exceptional wear and corrosion resistance make it the perfect choice for tackling even harsh working environments. Superior Craftsmanship Each tap and die undergoes meticulous CNC machining, 800_ heat treatment, and a double polishing process to ensure unparalleled precision and