HOLDING DEVICE

Holding device (1) comprising at least one elongate rail (10) which comprises a first side (13) arranged to be fixedly attached to a surface, and a second side (14) opposite the first side (13). The holding device further comprises a first holder (20) movably connected at the second side (14) of the rail (10), and a second holder (30), arranged to be fixedly connected at the second side (14) of the rail (10) in an optionable position along the rail (10), wherein the first holder (20) comprises a spring (21) attached with a first end (22) to the first holder (20) and with a second end (23) to a mount (24), which is arranged to be fixedly connected at the second side (14) of the rail (10) in an optionable position along the rail (10), between the first holder (20) and the second holder (30).