2PCs Thin Long Flexible Metal Extension Springs 1 Meter with Wire Diameter Options 0.8/0.9/1/1.2mm Outer Diameter 5-20mm

High-concerned chemical：None isCustomized：Yes Model Number：Extension springs Load Type：Extension Style：COIL DIY Supplies：Metalworking Material：STEEL Origin：Mainland China Specification：8x4.2x0.4mm Certification：NONE Use：Industrial Material Type：Spring Steel Wire diameter：1mm Out diameter：6-12mm Free Length：1000mm

High-concerned chemical: None isCustomized: Yes Model Number: Extension springs Load Type: Extension Style: COIL DIY Supplies: Metalworking Material: STEEL Origin: Mainland China Specification: 8x4.2x0.4mm Certification: NONE Use: Industrial Material Type: Spring Steel Wire diameter: 1mm Out diameter: 6-12mm Free Length: 1000mm