Crafted from stable high alloy steel, the internal external thread tool maintains structural integrity across pipe / PVC / MPP pipes while rest buildup for consistent sanitary achievement This double function half " & 3 / 4 " spell shank pipe threading set creates internal / external threads without tool switching, featuring straight concentric alignment to minimize leakage risks for efficient plumbing prepare Optimize your plumbing toolkit with this versatile threading die that combines internal / external cutting capabilities and alloy steel durability for multi substance compatibility Ideal for professional plumbers, construction workers, and handbuilt enthusiasts requiring responsible manual threading explanations for residential / commercial pipe maintenance projects accelerate pipe installations and repairs in workshops, industrial locations, or refurbishment scenarios where quick thread alignment and leak proof associations are critical, Manufacturer: HDOYTXXM