Raymond® ISO Series Light Duty Die Springs (ISO 10243 Specifications, Trapezoidal Wire Section) are available in the below sizes. If you need full explanations of our terminology or technical terms please see our FAQ. Looking to purchase Die Springs? This product line is not available for sale online, but please contact us or a distributor. If you cannot find a die spring to suit your application, we can supply a different finish or specification through our engineered solution services.