The Cobra duct rodder is the highest quality rod,designed for heavy duty applications. The extra strength comes from a unique construction process that ensures greater rigidity and strength,enabling it to endure the additional force required for long duct runs with multiple bends and sweeps. As one of the biggest duct rodder manufacturers in Asia,we provide the duct rodder with high quality and competitive price. We could produce from 4.5mm to 16mm diameters'duct rodder,and provide duct rodder adding with copperwire,stainless steel wire for detecting uses. So the duct rodder is also called Detectable Rodders. According to customers'requirement,We could produce different length and colors duct rodder.