| 摘要 |
PURPOSE: A sharp pencil is provided to enable the use of sharp pencils with various diameters in the writing of letters and figures by protruding the sharp pencils to the outside of the sharp pencil when a button arranged at the upper side of the sharp pencil is pushed. CONSTITUTION: A sharp pencil comprises: a main body(110) in which an inner space is formed; and a holding unit which includes a first holding part(121) holding sharp pencils with a first diameter, a second holding part(122) holding a second diameter lager than the first diameter, and a third holding part(123) with a third diameter lager than the second diameter, wherein the first holding part, the second holding part, and the third holding part are arranged within the main body. |
