Detailed Product Description Coil spring(Metal spring, Compression spring)Mat:Spring StellColor:Coffee.GREEN,RED,BLUE,YELLOWWithout MOQ Referance :MISUMI, HASCO,FUTEBA,DME,DANNY standard.Following customers' drawings to process any different kind of plastic component/accessoires. ,hardware component/accessories,stamping(die) component/ accessories Order: D*d*L(Outer diameter, inner diameter, ...