Spreader Bar App calculates loading on the spreader bar pipe, slings, and shackles for a wide range of lifting configurations while calculating and reporting ASME BTH-1 calculations. Three options of Crosby shackle types are available to choose from in this version of the app, as well as three options of slings, 1-Part Mechanical Spliced IWRC (EIPS, 6X19), STRAND Mech. Splice Grommet IWRC (EIPS, 6X19), and Polyester Endless Round slings, for a vertical and vertical basket configuration. Provides spreader bar capacity charting, and report generation ready to email results.