... ) Thickness: 0.4-0.7mm 3)Width:4-8mm Starter spring/Springs for starter assy of engines1) Material: 62Si2MnA2) Thickness: ... diesel oil , electrical machine ,start-up machine,etc.),constant force spring for door ,windows ,electric fans ,machines of lift and down ... , electric cooker, Electric drier, Electric water bottle Starter, electric iron,Meat grinder,timer of washing machine, fan, oven,etc...).And ...