Model:Sejong Set No.2 (Hagoromo Chalks / Chalk Holder / Chalk case) Size: 180mm X 85mm X 80mm Type: Chalk set No harm to human health, no chalk dust on your hand. It is made of the best calcium carbonate and has earned Korea Product Safety (KC) Certification. With clear and vivid color, it is effective in highlighting. It makes students more concentrated. It is very convenient to emphasize with diverse colors for online lectures on the Internet. With great color distinction, it makes a lecture more effective. It is good in writing work instructions or drawing a safety sign in a dark place such as a construction site or factory. Chalks are inserted into Styrofoam slots one by one to avoid breakage.
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