I have a few of those harbor freight suction cups around here. They are VERY strong, but the duration is poor (they fall off with basically no load after 2-3 days).
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2016 Tesla Model X
2022 Sprinter
Gone 2012 Tesla Model S P85
Gone 2013 Nissan LEAF SV
2012 Nissan LEAF SV
6 speed ALH TDI Swapped in to a 2003 Jetta Wagon
I don't think the Seasucker ones are gonna be any different...
You very well may be right, but with the SeaSucker ones you can check /Re-Up the vacuum without removing the suction cup
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2016 Tesla Model X
2022 Sprinter
Gone 2012 Tesla Model S P85
Gone 2013 Nissan LEAF SV
2012 Nissan LEAF SV
6 speed ALH TDI Swapped in to a 2003 Jetta Wagon