The color(s) silver/grey, silver and gold is/are claimed as a feature of the mark.
The mark consists of a three-dimensional shape of a valve for fluids with a band having engraved the word "SKY". The valve body in silver/grey color being monolithic with a curved nozzle slowly diverging towards the nozzle exit. The handle in silver color being a single lever. The band in gold color being located between the valve body and the handle and having the word "SKY" in gold color. The dotted lines shown in the drawing do not form a part of the mark itself.