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A Pentel Sharp ratchet drafting pencil disassembled, showing three 0.5 mm graphite leads.
A Pentel Sharp ratchet drafting pencil disassembled, showing three 0.5 mm graphite leads.
A Staedtler 925-25 05, assembled (top) and disassembled (bottom).
A Staedtler 925-25 05, assembled (top) and disassembled (bottom).
A Pentel GraphGear 1000, featuring a clip-operated retractable lead guide pipe and lead hardness grade indicator set at HB.
A Pentel GraphGear 1000, featuring a clip-operated retractable lead guide pipe and lead hardness grade indicator set at HB.
Rotring 600 metal body with matte coating.
Rotring 600 metal body with matte coating.
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A manual prism sharpener generates long fan-shaped shavings
A manual prism sharpener generates long fan-shaped shavings
Magnesium alloy prism sharpener
Magnesium alloy prism sharpener
A linear sharpener that uses a razor blade
A linear sharpener that uses a razor blade
Jupiter 1 with rotary disk cutters
Jupiter 1 with rotary disk cutters