The application allows you to calculate the load on the sling, depending on the weight of the load, the dimensions of the load, the number of slings, the angle of inclination of the sling and other data. Based on the received data, the application will show the recommended sling.

The calculation is supported for the following slinging options:
- symmetrical slinging by 2 lines;
- asymmetrical slinging by 2 lines;
- asymmetrical slinging by 2 lines (with difference in height);
- slinging 2 lines on a diagonal;
- symmetrical slinging with 3 slings;
- asymmetrical sling 3 lines (with a drop in height);
- symmetrical sling with 4 slings;
- asymmetrical sling with 4 slings;
- asymmetrical sling with 4 lines (with difference in height);
- slinging "on a towel";
- load lifting by two cranes.

Before buying, you can check out the features in the free version of the program.
https://market.android.com/details?id=com.sashacx75.slingselect_free