Made in solid European Walnut wood, with a central hollow closed by the “Erreka process”, with strips in Amaranth wood. Ait have also a “tximeleta” in Amaranth wood who is joined a crak. Also it has the “konikoa” process closing imperfections. The base is the “Lazin” model made in different woods; Walnut, Chestnut, Amaranth, Brasilean Cedar and Wenge. Signed and numbered.