New and improved. The Classmates chunky triangular cross-section HB pencils. Can help children develop good writing skills. Can reduce hand fatigue. Grade HB. Pack 72.In our independent testing the CLASSMATES HB pencils vs other brands came first in 2 out of the 3 tests including strength at the midpoint of the pencil which is where a pencil would normally snap. With further testing the CLASSMATES HB pencils vs other brands scored joint first on core centralisation which is essential when sharpening the pencil for use.*Independent testing carried out in June 2023.