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Reviews around edge (5.00 of 5)
Uni Mechanical Pencil, Kuru Toga Roulette Model 0.5mm, Gun Metallic (M510171P.43)
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As is, this lead tends to develop an edge sharp enough to pierce the paper with basic pressure.
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Don't have to rotate to keep a sharp edge as it does it for you
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It prevents the sharp edge from writing at an angle and in turn prevents cutting through the paper with the sharp edge
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