Please tell me the thickness of the mechanical pencil lead

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What are the types of mechanical seam thicknesses?


  153 2   7 years ago

pu1. 0.2 0.3 0.4 0.5 0.7 0.9 1.0 1.3 1.4 2.0
It's like this


2017-12-16

pu2. Thanks for letting me know!


2017-12-16


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