Dr. Grip

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Dr. Grip is a popular brand of mechanical pencil made by Pilot Pens based in Japan. Dr. Grip's also come in a pen variety. It is well known for its "deflection-deflection/knock system"

The deflection-deflection system is a special form of lead advancement. A pencil using this system is also commonly known as a "shaky pencil". A small, metal weight lies around the core of the pencil, and when shaken, slides up and down; thus pushing the lead advancer down and advancing more lead.

[edit] List of Dr. Grip Pencil styles

  • Dr. Grip
  • LTD (US only)
  • GEL
  • Neon
  • G-Spec (Japan Only)
  • Center of Gravity (US version of G-Spec, without knock system)
  • G-Spec white (Japan Only)
  • 1+1 (Japan only)
  • Putimo [mini](Japan Only)
  • Putimo Color [mini](Japan Only)
  • Mini