Answer: perfs

AnswerCrossword Clue
PERFSHoles in the side of photographic film, casually
PERFSPmt. coupon tear-off lines
PERFSTear-off lines, to a printer
PERFSTear-off spots, briefly
PERFSShows: Abbr.
PERFSTheatrical abbreviation.
PERFSHoles, to stamp collectors