Auto-Advance mechanism

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Examples of auto-advance pencils that are made in China. left to right: a THREE STAR A701, two THREE STAR 705, and a SWIRI

Auto-advance or auto-feed mechanical pencils don't need any action to advance the lead because of their particular mechanism: a spring-loaded sliding sleeve (usually a plastic cone) pushes out more lead every time it is pressed and released from the paper.

In order to work, it is required to write with a very little amount of lead coming outside the tip, and practically to drag the lead sleeve on the paper. Most of the time these pencils are also provided with a push button mechanism, and can be used in the classical way.
Examples of auto-advance pencils that are not provided with a push button mechanism. Top to bottom: a Paper Mate Advancer, a Fila Temagraph Automatic, and a M&G Comrade

Auto-advance pencil models[edit]

Brand Model name Additional Features / Informations
BIC AI Shaker mechanism with lead lock when the lead sleeve is retracted
Dixon Ticonderoga Sensematic+ Auto-advancement only
Eberhard Faber EFAmatic Auto-advancement only
Faber-Castell Alpha Matic [1]
Faber-Castell DS Matic
Faber-Castell Grip Matic
Faber-Castell Poly Matic Twist-extendable eraser
Faber-Castell TK-Matic L 9725 [1]
Fila Temagraph Automatic Auto-advancement only
THREE STAR A701 Like Pentel PN105
THREE STAR 705 Like TK-Matic L 9725;all-metal body
SWIRI N/A Made by THREE STAR; using 0.3mm lead
Ohto Auto Sharp
Ohto Horizon Double-knock mechanism with side button to retract the tip; metal body
Ohto No-Noc metal body
Ohto Radial Spring loaded clip; metal body; radial tyre shaped rubber grip
M&G Comrade Auto-advancement only; side button to retract the lead
Magic House Autolead Pencil Auto-advancement only
Maped Automatic
Paper Mate Auto Advance
Paper Mate Advancer Auto-advancement only; disposable pencil (not refillable)
Pentel Orenznero Orenz system to prevent lead breakage; also available in super-thin 0.2mm lead size (as for the Orenz family)
Pentel PN3015 Technomatic
Pentel PN305 QX
Pentel PN105 Technoclic
Pentel PN55 Technopress
Pilot Automac E500
Pilot Automac HAT-3SR Double-knock mechanism; metal body
Pilot H-5005 Double-knock mechanism; metal body
Pilot Automatic Double-knock mechanism; metal body
Platinum Hayaai 1000 Point Push-Matic
Platinum Hayaai II
Porsche Design Porsche Design automatic [1] Made by Faber-Castell
Sakura AT-MATIC AT300
Sakura ats3000 Like Pentel PN305
Staedtler Micromatic 777 All-metal body
Tombow Runner
Zebra Frisha MA40 Shaker mechanism
Zebra Knockless Side button to retract the lead

References and Notes[edit]