"Allrounder" e-chains® and e-tubes for high dynamics. The E4.1L series has been developed to combine the advantages of the E2/000 and E4.1 in one series. The strength and stability of the E4.1 system combined with the easy accessibility of the E2/000 system. The E4.1L system is the ideal energy chain for mechanical engineering and applications of all kinds where there must be an optimum relationship between technical requirements and economic efficiency.