Imperial Sizes Tap & Die Set, Industrial Grade GCr15 Steel Repair Tools Precision CNC Machined, Professional Standard For Stronger Internal Thread In Soft Materials, 24Pc Your go-to companion for precision and power, our tap & die set boasts a lineup of imperial sizes, perfect for professionals who demand nothing but the best. Crafted from industrial-grade GCr15 steel, it's a testament to durability and precision.