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

‌硬化轴承钢（耐腐蚀、耐磨损） CNC加工+双重抛光（高精度） 76 件套全尺寸套装 便携式储物盒 六角形+锥形齿（易于操作）