... Length: mmTotal Coil: Direction of Coiling: 2.Material:Spring steel,stainless steel,zinc plating steel,etc. 3.Surface ... heater, calculator, watch, igniter, mouse, electrical machine, mobile phone, medal, fan, DVD, etc.Package:general packing:inner polybag ... all kinds of springs,like brake spring,waved spring,tension spring,wire formed spring,compression spring,torsion spring ect.We also good provide ...