... samples and technique drawings 3)high precision 2012 New Style Stainless Steel Extention spring for ... 09mm-5.00mm.2.Applications: Automotive, medical device, electronics, toy,industry. Item nameExtention springItem ... , nickel plating, etcTypeextention springApplicationauto, toy, electronics, medical device, motorcycles, furniture, bicycles, sofa, etcFeaturehigh precisionDemensionscustomizedWe can ...