igus is offering a wide range of tested and proven assembly tools for convenient opening and closing of its e-chains as well as the interior separators. Designed for use with E4 e-chains, the opener is available in four different sizes to accommodate upper and lower crossbars from the 450 and 650 ranges. The tool makes it quick and easy to open crossbars - even in confined spaces - providing an effective system for energy chain assembly and filling.