Raymond® NA/Inch Series Extra Heavy Duty Die Springs (Original Raymond® Trademark Colors, Trapezoidal Wire Section) are offered in the below sizes. If you are looking for explanations of technical terms see our FAQ. Looking to purchase Die Springs? This product line is not available for sale online, please Contact US or a Distributor. If you are unable to find a die spring to suit your needs we can supply a different finish or specification through our engineered solution services.