Pepperell-Real Slate Chalk Pencil And Sharpener Set. Perfect for writing on any slate chalk board. These chalk pencils offer superior writing and drawing control, using smooth chalk instead of graphite. This package contains four 7x3/8x3/8 inch chalk pencils and one pencil sharpener. WARNING: Choking Hazard- small parts. Not for children under 3 years of age. Imported.