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Owning both 05 and 07, 05 is thinner. It is more prone to breaking. I have resorted to purchasing only .07 mechanical pencils. And my wife recently brought me a box of mark sense lead, that is only about 2 inches long, but appears to be .144 lead - it does appear twice as thick as .07 - now if only I can find a pencil that uses it!

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17y ago

What else can I help you with?