Support additional fibers at the bottom of FlexCore™ ODF with the FDFLMBKT6 FlexCore™ ODF FiberRunner®Lower Trough Support Bracket Kit – 6"x4". These brackets can be installed in multiple positions in the lower trough and offer additional support. Install 6"x4" FiberRunner (part number FR6X4*, sold separately) on top of the support bracket for additional fiber management. This kit contains two Lower Trough Support Brackets, four lock washers and four panhead screws.