Danly IEM is a leading manufacturer of die making supplies and components, with over 90 years of service to the North American metalworking communities. Danly IEM uses state of the art manufacturing facilities in Michigan and Wisconsin to develop time-saving tools that eliminate a secondary tapping operation. Diemax XL Springs offer D-shaped wire packs with 15% more metal with every inch, giving you longer life that stands up better in those tougher operating conditions.