1-5 Meter Electric dredging sewer special tool artifact solid chain dredging spring oil pollution blocked pipeline dredging tool

High-concerned chemical：None isCustomized：Yes Model Number：Extension Spring Load Type：Extension Style：COIL DIY Supplies：Metalworking Material：STEEL Origin：Mainland China Certification：NONE Use：FURNITURE Out Diameter：8mm Free Length：1.5/3/5m

High-concerned chemical: None isCustomized: Yes Model Number: Extension Spring Load Type: Extension Style: COIL DIY Supplies: Metalworking Material: STEEL Origin: Mainland China Certification: NONE Use: FURNITURE Out Diameter: 8mm Free Length: 1.5/3/5m