... -0.7mm 3)Width:4-8mm Starter spring/Springs for starter assy of engines1) Material: 62Si2MnA2) Thickness: 0.4-0. ... producing all classes of springs for Industrial machine,(ie. garden hose reels, balancer, Retractable Dog Leash, Ink Liner, Measuring Tape,meters and ... , oven,etc...).And are specialized in producing springs for various kinds of carbon and stainless steel products and supplies high elastic ...