Hella HVF Cube 4 LED Off Road Kit - 3.1in 2X12WHELLA Work Lights. For more safety and comfort. Night time work operations, whether shunting maneuvers, loading work or night time field work, have one thing in common: You need optimal illumination of the working area. Because only in this way is concentrated work with an efficient work result possible. No problem with HELLA work lights! Thanks to our many years of experience, these produce the appropriate illumination of the work area for every area