It's one of the most recognizable names on any garage shelf, under kitchen sinks and tucked into most tool belts. And for years, its hand-written secret formula has lived in a San Diego bank, a place where many know its location but few can visit.
It’s one of the most recognizable names on any garage shelf, under kitchen sinks and tucked into most tool belts. And for years, its hand-written secret formula has lived in a San Diego bank, a place where many know its location but few can visit.
Wd - 40 - Motor Mouth Section - The Mini Forum
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Fascinating Facts - WD-40 Company
Fascinating Facts - WD-40 Company
WD-40 secret formula lives in a San Diego bank vault
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WD-40 secret formula lives in a San Diego bank vault
Wd 40 Stash Can
TIL the secret formula for WD-40 is stored in a bank vault and has only left it twice; once was on its 50th birthday when the CEO of WD-40 rode through Times
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