1.Drawing spring compression springs 2.Different shapes of hooks available 3.wire diameter: 0.09mm-6.00mm ... , alloy, etcSurface treatmentpolishing, anodizing, zinc plating, nickel plating, etcTypeCompression springApplicationauto, toy, electronics, medical device, motorcycles, furniture, bicycles, sofa, etcFeaturehigh accuracyDemensionscustomized