This document provides specifications for various structural steel profiles including their dimensions, weight, cross-sectional area, and other engineering properties. Specifically, it contains this information for steel beams ranging in size from 12 inches by 3 1/2 inches down to 3 inches by 1 3/4 inches, across 10 different sizes and with steel grades ranging from 10 to 14. The specifications include the beam's designation, dimensions, weight, area, section properties like the moment of inertia, and other metrics.