• [With magnet] Since it has a magnet, it can be attached to the blackboard without placing it on the pen tray.  It will be very easy to use even if there is no storage space such as a construction site! It will not be covered with chalk powder.
• [Knock type] The knock type is convenient to use, and the spring is adjusted to prevent the choke from popping out. After all, the shortened choke can be used to the end, making it eco-friendly and economically effective.(Encourage ESG and SDGs)
• [keep  your hands clean] Since you can use it without touching the chalk, your hands and clothes will keep clean and you can prevent your hands from getting rough. Since it has a cap, it does not stain clothes when carrying it .

• Just put the chalk in the holder

About this product

• The chalk holder isn't including the chalk. 
• Applicable chalk size ：Φ10.5～Φ 12.2
• Weight: about 17g