Rooftop Supports - DSACBN1D -  Rooftop Supports with 1-1/58" x 9.32" (12 Gauge) Pre-Galvanized Steel Strut. 

Block Dimensions:

Total Block Length - 10-1/2"
Total Block width - 5"
Total Block Height - 4-13/16"
Total Strut Lenght - 9.32"