With over 70 years of experience in the School and Office Supply markets, Charles Leonard Inc.is not just one of those online "Pop-Up" shops that are here today and gone tomorrow! With Charles Leonard products, rest assured that our products provide the quality and value you expect.With strong, thin colourful leads for checking, grading or charting these checking pencils are the ideal go to for any teacher or medical professional.Double sided pencils make it easy to choose if you want to use red or blue and smooth barrels make for easier gripping and writing.Pencils are Non-Toxic and conforms to all ASTM-D4236 standards.Each box contains 12 pencils.