... .08mm -- 10.0mm 3.Free Sample is available Door extension/tension springFeature:1.Spec: wire dia. Range: 0.08mm -- 3.6mm ... life,good quality.6.Usage: Widely used on hardware,auomobile,machine,toy,furniture,apparatus,electrical equipmen,tfitness equipment,meter ect.7 ... selling all kinds of springs,like brake spring,waved spring,tension spring,wire formed spring,compression spring,torsion spring ect.We ...