Cummins Air Die Grinder/Cutoff Tool. I bought this off their truck 20-ish years ago, and probably used it once. I've since moved on to all electric so this is surplus.
Pneumatic Die Grinder Air Die Grinder 1/4 Angle Die Grinder Straight Die Grinder
Micro Air Die Grinder, Miniature Precision Air Die Grinder 3mm (1/8")
Die Grinder 1/4" STRAIGHT EXTENDED LONG REACH AIR DIE ANGLE GRINDER CUT-OFF TOOL
Micro Air Die Grinder Kit Pneumatic Micro Die Pencil Polisher Cutting F Cleaning
1 Set 1/4" Pneumatic Die Grinder Air Die Grinder Grinding Mill Engraving Tool