These brackets are for Cablemaster CM-7 installations using a Cablemaster Storage Container, where it is desireable to mount the Power Unit directly to the top of the storage container.
The 17" model is standard; use the 12" low profile version where vertical height is restricted

Material: anodized cast aluminum
Includes an Overhead Mounting Bracket (# 50006) (shown in image, at top) for attaching the Power Unit to the bracket.