300pcs Spring Assortment Kit - 20 Sizes Galvanized Steel Compression/Tension/Extension Springs for Mechanical DIY Home Repairs

High-concerned chemical：None isCustomized：Yes Model Number：DZ300 Load Type：Compression Style：Waved DIY Supplies：Metalworking Material：STEEL Origin：Mainland China Specification：8x4.2x0.4mm Certification：CE Use：Industrial

High-concerned chemical: None isCustomized: Yes Model Number: DZ300 Load Type: Compression Style: Waved DIY Supplies: Metalworking Material: STEEL Origin: Mainland China Specification: 8x4.2x0.4mm Certification: CE Use: Industrial