Volvit Eazi Roll. Adjust the height of your grow light easily with the original Eazi Rolls, easy set up and easy to adjust, simply pull up or down to desired height. These handy rolls will definitely save you time and hassle. Supplied in a twin pack with full instructions. Make sure you buy the original Eazi Roll made by VOLVIT and not fake copies. The fakes look the same but have a stronger spring device which does not function correctly with light weight reflectors.