The falcon eyes expandable background holder b-reel is a spare set of paper or vinyl background roll holders with a strong metal core for the b-3w and b-4w. additionally, it is possible to use the falcon eyes background holder b-reel as a hanging system for a paper or vinyl background roll in combination with the cbh-3. Thanks to the metal core, this role holder is particularly suitable for heavier paper rolls (25m & 50m long rolls, as well as extra-wide rolls of 3,56m) and vinyl. Two roll holders are supplied. on the roll holder without chain you will find a rotary knob that allows you to adjust how light or heavy the paper rolls off. the last picture shows the dial.