High strength molded construction and anti rust coating deliver outstanding durability for metal sheet crimping tasks, resisting erosion 300% better than standard steel in harsh environments Perfectly creates threaded joints in downspouts, furnaces pipes, chimney liners, and ventilation systems to achieve leak proof installations with reduced channel diameters Ergonomically designed not slip handles reduce hand fatigue during prolonged use, while the carbon steel build secure years of maintenance easy service in humid workshops or outdoor job site Features 5 accuracy cut and 1.7 " deeping throat capacity to crimp 24 gauge steel / 28 gauge stainless channels, ensuring secure connection for HVAC pipes and ductworks Ideal for professional HVAC technicians, plumbers, and metalworkers requiring stable crimping for daily industrial grade applications, Manufacturer: JDNH