20pcs/lot 0.7*6.6*55mm 0.7mm wire Carbon steel extension tension spring springs

High-concerned chemical：None isCustomized：Yes Model Number：0.7*6.6*55mm Load Type：Extension Style：COIL DIY Supplies：Plumbing Material：Carbon steel Origin：Mainland China Certification：NONE Use：FURNITURE

High-concerned chemical: None isCustomized: Yes Model Number: 0.7*6.6*55mm Load Type: Extension Style: COIL DIY Supplies: Plumbing Material: Carbon steel Origin: Mainland China Certification: NONE Use: FURNITURE