Custom Stainless Steel Double Torsion Spring Dongguan City Dalang Vista Hardware Spring Factory Base Info Material:Stainless SteelUsage:IndustrialLoad Type:TorsionShape:CoilWire Diameter:0.50mm-5.0mm:Endurance Limit: 10000 TimesOrigin:Dongguan, Guangdong, China(Mainland) Description Pre:Best Sale Decorative Stylish Photo Frame Spring Next:Best Sale Stainless Steel Double Torsion Spring