This special pencil uses ceramic leads for drawing on fabrics with a fine, clear line. No particles left like tailors chalk or hard to remove marks. Just remove marks with the attached eraser or dab off with a damp cloth. No sharpening or messy wood shavings.  Just a click advances the fine 0.9 pt lead. Easy to refill with up to 6 leads. Pack includes 6 refills.  Made in Japan.