The last image shows my white and regular chalk together for comparison, the regular chalk is also listed for sale. - brittle and can break easily
My Brand Slate Pencils White Color Natural Chalk 5-9 mm Thick (250 Grams)
MATITE GESSO MATITE ardesia bianca pietra calce naturale gesso confezione da 50 penne EUR 16,88 - PicClick IT
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50 pencils packed in one carton,it is cut from naturally found stone. 95 mm approximately. 5 mm thick approximately Size may differ, pencil to pencil,
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The last image shows my white and regular chalk together for comparison, the regular chalk is also listed for sale. - brittle and can break easily
White Limestone Slate Pencils Consistent Size & Genuine Quality-Pack 50 Pieces