Bernstein teledata service case bernstein 6715 the teledata service case from bernstein accommodates a range of the basic tools needed for the installation and maintenance of complex communications and other networks the tools can be arranged on two removable trays and in a plastic tray in the bottom of the case which has adjustable partitions the case itself is made from impact resistant grained black plastic surrounded by a sturdy aluminium frame bernstein 6715 teledata case withou