Swivel armchair conceived to be present in the classical high-prestigious offices. Quilted treated armchair for those who love the traditions. Gas height adjustment and Syncron mechanism. Tension/weight adjustment knob is also included. Birch shaped wooden structure and non-deformable foam rubber padding. Available also the smallest version SAN GIORGIO CONFERENCE. Each Italian handmade Mascheroni product is marked with a plate engraved with the brand "Mascheroni srl Made in Italy" which certifies its authenticity.