Smooth and permanent lead for artists and creative professionals • 100% lightfast guarantee for 100 years, in compliance with the highest international standard: ASTM D-690 • Wide range of colors developed with a large variety of highly concentrated pigments • 100 colors, available in assortments and individually. • Lead: water-resistant, smooth with a maximal covering power and a high pigment concentration for bright and intense colors, Ø 3.8 mm. • Pencil: round, 8 plys, end-sealed in the same color as the lead, marked with color name and code. • Best cedar wood, certified FSC™ Forest Stewardship Council. • Product conforms to ASTM D4236. • Techniques: permanent and smooth lead particularly recommended for mixings and gradations, blending and also shading and burnishing with a white pencil.