Booklet size 10.5 x 20.0 cm, colour illustration 5.2 x 1.5 cm14 colours per duoble pageGlossThe booklet RAL K1 contains 213 RAL CLASSIC colours and is especially user friendly. With only 14 colours per side and a sheet that is divided in the middle, the RAL K1 allows for a lot of flexibility and many colour combinations. The coloured strips are produced using an elaborate paint stroke process for the first time.