University service The content is only available in German language. Contact details Monday - Thursday: 8–12 hrs and 12.30-16.30 hrs Friday: 8-12 hrs and 12.30-15.30 hrs Telephone: (+49) 07123 960-0 or (+49) 07123 960-192 Telefax: (+49) 07123 960-195 eMail: service@gutekunst-co.com Interesting links Spring catalog Special springs Metal spring calculation to DIN 13906 spring 1x1 videos Springs forum Formulary