Who is my doble client service engineer? Clients with a Doble Services Agreement are assigned a Doble Client Service Engineer to provide analysis of test results, training, consultation and technical support. If you do not know who your Doble Client Service engineer is, please send an email to [email protected] or call +1-617-926-4900.Who is double e? Double E is the exclusive supplier of Mario Cotta slitting equipment (knife holders, slitting systems, and all accessories) in North America. Advanced knife... Slitting Stations and ModulesWhat is shaftsafe by double e? Double E's new ShaftSafe will improve the productivity, maintenance and safety of your production lines. Lightweight Core Shafts and Rollers. Double E introduced carbon fiber core shafts nearly 30 years ago to reduce operator handling injuries without sacrificing line speeds or roll weights.What kind of information does double e use cookies for? We use cookies to personalize content and ads, to provide social media features and to analyze our traffic. We also share information about your use of our site with our social media, advertising and analytics partners. Double E's new ShaftSafe® will improve the productivity, maintenance and safety of your production lines.