| 摘要 |
The present invention relates to a length adjustable pencil which includes: a core; a pencil body which has a certain length, envelops the core, and includes an insertion unit which is stepped on one side of the length thereof; a length adjusting unit which is inserted into the insertion unit to slide in the longitudinal direction and adjusts the whole length from one end of the pencil body; and an eraser which is provided on one side of the length adjusting unit. |
