Primo Euro Blend Charcoal is a smooth, unique formula that feels and draws differently than original charcoal. This formula can be used alone or in combination with other charcoal, pastel or mixed media, and can be used for quick layouts for oil painting. The set includes three degrees of Primo Black, 3B, B, and HB along with General s Primo Bianco (white). A bonus all-art sharpener and a magic black eraser round out this affordable, quality charcoal set. Made in the USA.