Auto-Advance mechanism
Some auto-advance pencils. Left to right: two different models of Faber-Castell Grip Matic, a Faber-Castell Poly Matic, a BIC AI, and two Maped Automatic (0.5mm and 0.7mm)
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.
Auto-advance pencil models
| 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 | Technomatic PN3015 | |
| Pentel | QX PN305 | |
| Pentel | PN105 | |
| 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 |