VEVOR Tap and Die Set, 80-Piece Metric and SAE Standard, Bearing Steel Taps and Dies, Essential Threading Tool for Cutting External Internal Threads, with Complete Accessories and Storage Case Professional Tool Set Threading Configuration Pearl Cotton Cushioning Portable Design Hexagonal Die Built to Last Tap and Die Hardness: HRC55-62,Tap and Die Material: Zinc Alloy,Item Model Number: 80PC,Material: Bearing Steel,Carrying Case Material: PE Plastic