Best Sale Nickel Plating Single Torsion Spring Dongguan City Dalang Vista Hardware Spring Factory Base Info Material:Stainless SteelUsage:IndustrialLoad Type:TorsionShape:Coil.Wire Diameter:0.30mm-5.0mm:Endurance Limit:10000 TimesOrigin:Dongguan, Guangdong, China(Mainland) Description Pre:Decorative Tower Shaped Compression Spring Next:Pre-Galvanized Steel Swivel Loop Hanger