This anodized aluminum rail measures 7mm thick and mounts to the bottom of your monitor from SmallHD. It adds several mounting points that you can use to mount various 3/8" & 1/4" accessories to your Cine 13 monitor.

Specifications:
Weight: 158 g (0.35 lbs)
Dimensions: 330 x 254 x 6.35 mm (13" x 10" x .25" in)