Dual-function pipe threading tool for internal and external threads with a dual-cut system for 1/2 and 3/4 inch sizes. Versatile for bathroom renovations, kitchen pipe upgrades, and urgent repairs where space is tight and a quick switch between internal and external thread operations is required. Comprehensive set features a hardened steel cutter and replaceable die heads, delivering consistent thread depth for a leak-free connection while reducing tool clutter through a compact dual-function design. Corrosion-resistant threading set designed to produce professional-grade pipe fittings with ease. Use scenarios: - Replacing or upgrading bathroom supply lines in tight cabinet spaces. - Upgrading kitchen plumbing during remodels or cabinet installations. - Performing on-site thread repairs in confined spaces where rapid internal/external threading is needed.