Polyimidová páska

Finally, a spool that doesn't fight you halfway through a row of millmax pins—the 0.5" width lays flat and stays put under the iron. I've used cheaper amber tapes that bubbled up, but this one held its edge through the whole board.

The 0.5" width is just right for covering a row of millmax pins without wasting tape, and it does stick well through the soldering heat. Only gripe is the roll feels a bit thin for the price, but it gets the job done for a few boards.