It is the case that the core can be taken out by turning the lid.
Technology Stein structure of strength
In addition to a smooth writing taste, it is a completely new sharp core incorporating strength technology.
The frame supports the core from the inside. Therefore, it is hard to break!
Stein established a frame with reinforced silica inside the core. Because this frame supports the entire core from the inside, it realizes the highest level of strength.
Strength and concentration. Having conflicting relationships at high dimensions.
Sharp replacement core which conflicts relationship such as density reduction by strength improvement, strength reduction due to concentration improvement. Stein realizes strong and dense handwriting.
Firmly settled. So the note is beautiful.
Stein is excellent in the ability of graphite, which is the main component of the core, to fix on the paper surface, is good for contact with hands and paper, and is resistant to rubbing dirt. So the handwriting of the note is clear.