Catalog number: TDCF-R-10P Features: ●Compared to conventional products (JIS standard), it is thicker (13mm in diameter) so you can write easily and reliably. ●It is a chalk that is easy to hold and does not tire you out even when used for a long time. ●Made of scallop shells, it is more vivid, does not powder, and does not scatter. ●Dustless chalk is a product whose main ingredient is calcium carbonate, which is also used in toothpaste, and is safe and secure for the body. ●Compared to gypsum chalk, it has a higher specific gravity and does not scatter dust. ●Compared to regular chalk, it is 1.6 times the volume and is economical. ●It is coated so it does not get your hands dirty. ●It is thick and does not break easily. Uses: ●For writing on blackboards, etc. Specifications: ●Color: Red ●Thickness (mm): 13 ●Length (mm): 75 ●Diameter (mm): 13 ●Complies with the Green Purchasing Act Material/Finish: ●Calcium carbonate ●Fine powder of scallop shells
