The Robertson Screw, aka the “square bit,” is only used in the US when we really don’t want people to disassemble the item in public - because nobody has a square screwdriver in the states. Yup, we only have slotted (-) and Phillips head (+) bits. Not even really sure what the advantage is of a square-shaped bit, but they are everywhere in Canada.
philips head suck, stinkin strip too easy, wish had square instead, but designed to break over here, companies are damn crooks
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