Piano Premium 12 Colour Pencils Half Size have a premium quality pencil, ideal for colouring, blending and shading. Easy to sharp. Bright and sharp colours. High and medium-quality colour lead. Incredibly vibrant colours. 100% Real wood. Non-toxic. Also high-quality water-soluble lead is available. Available in Pale redwood & chemically treated softwood and heated white wood. 2.65 mm to 4.0 mm lead diameter. 88 mm of Half Color Body Length.