Item Type: Tap Die Set_x000D_ Material: Bearing steel_x000D_ Metric Tap Size (MM): M5x0.8, M6x1.0, M8x1.25, M8x1.0, M10x1.5, M10x1.0, M12x1.75, M12x1.25, M14x2.0, M14x1.5, M16x2.0, M16x1.5_x000D_ Metric Die Size (MM): M5x0.8, M6x1.0, M8x1.25, M8x1.0, M10x1.5, M10x1.0, M12x1.75, M12x1.25, M14x2.0, M14x1.5, M16x2.0, M16x1.5 127PCS IN TOTAL: Metric taps and dies include 27pieces heavy thread kits for cutting male and female threads 2THREADING ESSENTIAL: Ideal for rethreading fasteners and fastener holes for automotive and mechanical repairs, a perfect set for professional craftsmen 3DIFFERENT THREAD CUTTING: Taps and dies are designed for thread cutting, taps are used for male threads and dies are used for female threads 4TAPERED THREAD DESIGN: Tapered thickness taps and dies make threading easier and smoother and prevent overthreading 5GOOD TOUGHNESS MATERIAL: Adopt bearing steel material, rust proof, with high hardness, high wear resistance, good impact toughness and fracture toughness 12 x Tap 12 x Die 2 x Tap Wrench 1 x Accessory 1 x Storage Box