... best to satisfy you with most competitive price . LIIGHTEST LOAD SPRING --BLUEThe mold springs are make with high tensile mateial strictly ... life,low prices.Different color has different compress function.Coil spring including TF,TL,TM,TH,TB,TR and so on ... details:1)The diameter of mould spring is from 0.2mm--60mm.2)Standard physical properties,such as cutting ,grinding.3)good ...