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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.
Fascinating Facts - WD-40 Company
WD-40 History, Learn the Stories Behind the WD-40 Brand
Tibby Singh tests out the WD-40 range - Professional Builder
WD-40 Marks 65th Anniversary by Securing Iconic Product's 'Secret Formula' - Times of San Diego
10 Amazing Abandoned Bank Vaults (With Images)
Fascinating Facts - WD-40 Company
Fascinating Facts - WD-40 Company
Wd 40 Stash Can
WD-40 Company Celebrates 65th Anniversary - Engine Builder Magazine