Luminance Colored Pencil Set of 40 (6901.740). High lightfastness and smoothness. Can be blended and layered for various effects. Pigments chosen for purity-intensity and resistance to UV. The Caran d’Ache Luminance 6901 40 piece colour pencil set is a combination of the highest lightfastness and the smoothness of a permanent lead. Every shade has been formulated using finely-ground pigments chosen for their purity, intensity and resistance to UV. Colours can be blended, burnished and layered on a variety of surfaces. The casing is made of California Cedar from managed forests. The smoothness of the Luminance 6901 leads require the use of a well-sharpened pencil sharpener. The pencil cap indicates the colour of the pencil lead. Pencil Lead Degree (Hardness). 40 Count (Pack of 1). 5 x 1 x 1 inches. Product Dimensions: 1.0 inches x 5.0 inches x 1.0 inches. Weight: 1.19 lb. We reserve the right to cancel any order for any reason at any time. We are not responsible for undeliverable addresses. Your satisfaction is guaranteed! All of our items, unless otherwise stated, will only run on 120 volts. Please check to make sure your country complies with these specifications. We will work with you to resolve any problem you may have.