Each Arthur Piano Bench is unique and unrepeatable due to the texture, grain and natural coloring of the rosewood.Personalization: Your Kaunus Piano Bench can be personalized by engraving a message, a name or date on the knobs, an exclusive detail which makes your piano stool unique as you.Made to measure: Hydraulic Adjustment System. From 45cm to 56 cm, from 48cm to 57cm, your Piano Bench is made to measure just for you.Hand Made for you: Each bench is registered with a unique serial number engraved on an identification plate under its seat certified by the Kaunus Certificate of Authenticity signed by its creator Zayda Jiménez.Every centimeter of Kaunus piano benches is built with premium materials and finishes, which in addition to work by expert hands, result in pieces of unique beauty, function and precision. KHAS (Kaunus Height Adjustment System), developed and manufactured in Spain by KAUNUS, guarantees a precise height setting through an innovative device which displays the precise position selected by each musician. A convenient and easy-to-use height adjustment mechanism to maintain optimal posture on each piano bench. Consult finishes available, subject to additional personalization fee.