Found stamped into the side of the anodized brackets
Dimensions
anodized bracket: 3/4 in x 5 in x 2 in; black bracket: 3/4 in x 4 1/2 in x 2 in; overall:
Description
This record contains 19 anodized brackets, 20 black brackets, 1 bag of bolts, 1 bag of washers and nuts, and 1 leveling foot. Possibly Amdahl or Fujitsu.