Antenna Spring, Torsion Spring (HPD2013014) Hiproda Hardware Products Co., Ltd. Base Info Model NO.:HPD2013014Material:Phosphor CopperUsage:Multi-FunctionLoad Type:ExtensionShape:CylinderTrademark:HiprodaSpecification:ROHS, SGS,Origin:Shenzhen Description Pre:Battery Contact, Battery Spring (HPD2013013) Next:Remote Control Battery Spring (HPD2013017)