1950s TV Commercial, for a "Space Age Saw Blade Set" that has a "unique spiral design" and will cut anything but will not cut a human hand (and we see them try). VO often mentions 'space age' this and that. The packaging also says "Space Age Saw Blade Set." MS small hack saw on a peg board - zoom in to it - "The amazing new space age saw blade" CU spiral blade. CU hand as the saw blade is drawn back and forth against a man's index finger - which is left in tact. CUs of saw cutting through wood panel, dowel, ceramic tile, pad lock, a slab of frozen peas. CU saw in its packaging." Only $2.98! ..And if you order now you'll get this handy steel-grip vise!" Cu saw, blade, vise etc. with superimposed words "Money Back Guarantee" Direct marketing--call today-type of commercial.