This speaker sealing tape was purchased to fit a car stereo. The tape isn't very sticky, but sticky enough to place the speaker in the right place. A few quick measurements: The tape is about 3/8" wide and about 1.5mm thick. It makes for a good invisible seal. It should also help eliminate vibration, especially when combined with some sort of soundproofing material is used I am satisfied with this tape and would buy it again.
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