| 摘要 |
A board marker with two types of nib including eraser on cap is provided to facilitate controlling of the thickness of writing with two types of nib, and to facilitate erasing the writings by using the attached erasers on the both caps. The board marker with two types of nib including eraser on cap includes: a main body of marker pen(1); two types of nibs such as thin nib and thick nib; two caps; and two erasers(4,5) attached respectively on each cap. |
