We claim the ornamental design for a stretch strapping device, as shown and described.
FIG. 1 is a front-right perspective view of a stretch strapping device in accordance with our new design.
FIG. 2 is a top plan view thereof,
FIG. 3 right side elevation view thereof,
FIG. 4 front elevation view thereof,
FIG. 5 rear elevation view thereof,
FIG. 6 bottom plan view thereof; and,
FIG. 7 and back-left perspective view thereof.
Various portions of the stretch strapping device in FIGS. 1-7 are shown in broken line for illustrating unclaimed environmental subject matter that forms no part of the claimed design.